Just purchased RealismCraft last night, I created a new world from the template this morning, but the world is still vanilla.   I suspected some errors were happening, so I enabled the content log and got the following entries:

 

[Actor][error]-error parsing entity/i1nfegx9g0ra6yej.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/i9tl1p5elwwi7laf.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/iaka9do4298h6bkw.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/irajzui4pde1p6vi.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/j7yrnp238g63hf5t.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/j83xvk7sz2r2i353.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/jcpxwajsdtq3ewf7.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/jkn7l9cwtax0yxme.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/jlvvi542i6z8hmha.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Entity][error]-entity/jm9mere3ukhttuzz.json | nothing to parse in

[Actor][error]-error parsing entity/jpnj0mcwi4ldbkp2.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Entity][error]-entity/jrivc1yakic3ln9a.json | nothing to parse in

[Actor][error]-error parsing entity/jskkz67l0c37urty.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/kjol2fe39u4pfv7z.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/knmmbfac3r2mmk57.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/kxeimsuh78w95ped.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/l6b2g6o3qfhhs3dg.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Entity][error]-entity/lzrmev7973x9hzt2.json | nothing to parse in

[Actor][error]-error parsing entity/m33olup197ep73m4.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/m8w4z5hdzzxez9ns.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Entity][error]-entity/mcphdqng33bjrxpn.json | nothing to parse in

[Actor][error]-error parsing entity/n77zpt0oqwbnit38.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/n9u59c8vmuge0gbg.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/obdt4beeyxobk3ij.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/oer33fs5k4hrr1v4.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/p8em3q3gceehbq4e.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/pb119bm6lq8u56cw.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/pfa6zyizvi4d7ea8.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/pmmqxeujdqxqqn6w.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/q4i3lav1ztyh29e6.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/q6phtnkpfmzoaw5h.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/q7gnehahjtxjbxhz.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/qbra1f7b36zsh4rh.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/qit29z6gwyi8rjrs.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/r1nce0x4fs0fgatb.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/rij953kthvt72oby.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/rk0ici3yuq3gvgrq.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/rsmsclhp1e8cnhu7.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/t9at74rdwf37gaoa.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/te7yczwn8j2pyusu.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/trhay2aret9damsk.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/u74kieeg3z2mxes9.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/uclpmsq9f7jyah8v.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Entity][error]-entity/w2ctzetechgwv0je.json | nothing to parse in

[Actor][error]-error parsing entity/wsd1hg8cpy4qmbrp.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/xrf2b9ngihkbl8sf.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/y6l8awovs2faw68q.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/yj0pidlykhqfzuvu.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/ysdxr023idupb6ch.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/yzelxqr3tgw1251j.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Entity][error]-entity/z8sfg8j0uam2744e.json | nothing to parse in

[Actor][error]-error parsing entity/zi7s8z9ui7ilss4p.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/2hg1hvamnfdqdvgi.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/2mhso3jo4wzb2s07.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/3detplfti51sc1lo.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/gahx2hhgrw255pvf.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/ikamhh29u7frcuk3.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing entity/snphmn657jlll2ng.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/0larx6cf46gat5ps.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/1owpxm3sdnvd8oeb.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/1swgifyuz4s8mtlv.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Entity][error]-attachables/2nrwk9htwgdtisd0.json | nothing to parse in

[Actor][error]-error parsing attachables/2quj3jpc2rtdqjcg.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/3jsgf46euovg09tf.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/4jh15hov2sdma30m.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/5ffoh95yiiu89se8.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/5jlesqic0mq0bu14.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/5mcrde6qtqiel67b.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/5xgly9tyl4ilywdl.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/6azxd4k20z6ig6j0.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/6mbbdf00r2rzmway.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/7kzkoete4vgbfiyr.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/7rs7kg7u8dcou7sw.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/8dqvhwqhl134coad.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/9mnnkvb2sw11779v.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/a7ub5alcn1uttwig.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/agriiv3q84r4t5j7.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/avl003tgd3hxnfrn.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/ctpjpdykuwe4u34h.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/d6vtboxbo9lc941g.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/d7dseygkqw21tf7q.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/ddcegwu6odfj4ih8.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/h78ffadv9p7jo0bx.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/i6ehve87rm7uzlxz.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/ke305qc7a4vttctv.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/kovlt8mqy685bxd1.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/maf6jiv3v33s2zvk.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/na8bw3h6lhfcxoao.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/o4t1y9holdn1bwol.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/opqfshcgl0n3rper.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/rc4x3ea7kypuci0p.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/rk10fzccy4fbd1ra.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/snwq6770iikhadjd.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/vwkr92zw9626hki4.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/wsaxd7lited9xvqr.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/y7yijdstnqccj2dt.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/z6lc9cq4sow1lvmo.json:* Line 1, Column 1
  Syntax error: value, object or array expected.

[Effects][error]-particles/zxkhs417tbihyvvw.json | Failed to load particle effect

[Geometry][error]-models/blocks/zxtjdeoo6kxdo59s.json | parse error:

• Line 1, Column 1
    Syntax error: value, object or array expected.

[Actor][error]-error parsing attachables/zvkzmus5lmalo2em.json:* Line 1, Column 1
  Syntax error: value, object or array expected.