It might make sense to check if those language work as expected..."csl_lang_aquan.2da: Invalid number of columns at line 10. 3 expected, 2 received. Columns: 7;^f"
"csl_lang_assassincant.2da: Invalid number of columns at line 4. 3 expected, 4 received. Columns: 1;^a;*sighs,;sadly*"
"csl_lang_bothii.2da: Invalid number of columns at line 19. 3 expected, 2 received. Columns: 16;^p"
"csl_lang_cant.2da: Invalid number of columns at line 4. 3 expected, 4 received. Columns: 1;^a;*shields;eyes*"
"csl_lang_celestial.2da: Invalid number of columns at line 468. 3 expected, 2 received. Columns: 465;latin"
"csl_lang_chardic.2da: Invalid number of columns at line 44. 3 expected, 2 received. Columns: 41;^O"
"csl_lang_chessic.2da: Invalid number of columns at line 35. 3 expected, 2 received. Columns: 32;^F"
"csl_lang_chultan.2da: Invalid number of columns at line 32. 3 expected, 2 received. Columns: 29;^C"
"csl_lang_dambrathan.2da: Invalid number of columns at line 12. 3 expected, 2 received. Columns: 9;^i"
"csl_lang_drowsign.2da: Invalid number of columns at line 4. 3 expected, 8 received. Columns: 1;^a;*shields;left;thumb;with;right;hand*"
"csl_lang_dtarig.2da: Invalid number of columns at line 44. 3 expected, 2 received. Columns: 41;^O"
"csl_lang_durpari.2da: Invalid number of columns at line 51. 3 expected, 2 received. Columns: 48;^V"
"csl_lang_easting.2da: Invalid number of columns at line 44. 3 expected, 2 received. Columns: 41;^O"
"csl_lang_goblin.2da: Invalid number of columns at line 8. 3 expected, 2 received. Columns: 5;^C"
"csl_lang_halruaan.2da: Invalid number of columns at line 44. 3 expected, 2 received. Columns: 41;^O"
"csl_lang_han.2da: Invalid number of columns at line 19. 3 expected, 2 received. Columns: 16;^p"
"csl_lang_ignan.2da: Invalid number of columns at line 10. 3 expected, 4 received. Columns: 7;^g;k;k"
"csl_lang_illuskan.2da: Invalid number of columns at line 19. 3 expected, 2 received. Columns: 16;^p"
"csl_lang_illuski.2da: Invalid number of columns at line 19. 3 expected, 2 received. Columns: 16;^p"
"csl_lang_imaskar.2da: Invalid number of columns at line 36. 3 expected, 2 received. Columns: 33;^G"
"csl_lang_jotun.2da: Invalid number of columns at line 119. 3 expected, 2 received. Columns: 116;Jotunen"
"csl_lang_kozakuran.2da: Invalid number of columns at line 19. 3 expected, 2 received. Columns: 16;^p"
"csl_lang_lantanese.2da: Invalid number of columns at line 24. 3 expected, 2 received. Columns: 21;^u"
"csl_lang_logos.2da: Invalid number of columns at line 19. 3 expected, 2 received. Columns: 16;^p"
"csl_lang_loross.2da: Invalid number of columns at line 44. 3 expected, 2 received. Columns: 41;^O"
"csl_lang_maidentounge.2da: Invalid 2da format in D:/c++/projects/nwnchargen/nwnchargen/run/2da/csl_lang_maidentounge.2da - unrecognized magic line \"2DA\tV2.0 Edit this somehow so its different its chondath now\""
"csl_lang_mulhorandi.2da: Invalid number of columns at line 24. 3 expected, 2 received. Columns: 21;^u"
"csl_lang_netherese.2da: Invalid number of columns at line 44. 3 expected, 2 received. Columns: 41;^O"
"csl_lang_nexalan.2da: Invalid number of columns at line 19. 3 expected, 2 received. Columns: 16;^p"
"csl_lang_oillusk.2da: Invalid number of columns at line 44. 3 expected, 2 received. Columns: 41;^O"
"csl_lang_orc.2da: Invalid number of columns at line 10. 3 expected, 2 received. Columns: 7;^f"
"csl_lang_payit.2da: Invalid number of columns at line 19. 3 expected, 2 received. Columns: 16;^p"
"csl_lang_raumvira.2da: Invalid number of columns at line 20. 3 expected, 2 received. Columns: 17;^q"
"csl_lang_reghedjic.2da: Invalid number of columns at line 19. 3 expected, 2 received. Columns: 16;^p"
"csl_lang_roushoum.2da: Invalid number of columns at line 36. 3 expected, 2 received. Columns: 33;^G"
"csl_lang_ruathlek.2da: Invalid number of columns at line 44. 3 expected, 2 received. Columns: 41;^O"
"csl_lang_shou.2da: Invalid number of columns at line 19. 3 expected, 2 received. Columns: 16;^p"
"csl_lang_tabaxi.2da: Invalid number of columns at line 32. 3 expected, 2 received. Columns: 29;^C"
"csl_lang_telfir.2da: Invalid number of columns at line 48. 3 expected, 2 received. Columns: 45;^S"
"csl_lang_terran.2da: Invalid number of columns at line 56. 3 expected, 2 received. Columns: 53;danish"
"csl_lang_thayan.2da: Invalid number of columns at line 24. 3 expected, 2 received. Columns: 21;^u"
"csl_lang_thresk.2da: Invalid number of columns at line 35. 3 expected, 2 received. Columns: 32;^F"
"csl_lang_tradetongue.2da: Invalid number of columns at line 19. 3 expected, 2 received. Columns: 16;^p"
"csl_lang_truskan.2da: Invalid number of columns at line 19. 3 expected, 2 received. Columns: 16;^p"
"csl_lang_tulung.2da: Invalid number of columns at line 19. 3 expected, 2 received. Columns: 16;^p"
"csl_lang_turmic.2da: Invalid number of columns at line 56. 3 expected, 2 received. Columns: 53;swedish"
"csl_lang_uluik.2da: Invalid number of columns at line 115. 3 expected, 2 received. Columns: 112;finnish"
"csl_lang_waan.2da: Invalid number of columns at line 19. 3 expected, 2 received. Columns: 16;^p"
"csl_lang_yipyak.2da: Invalid number of columns at line 56. 3 expected, 2 received. Columns: 53;maltese"
"csl_lang_ysgard.2da: Invalid number of columns at line 36. 3 expected, 2 received. Columns: 33;^G"
"csl_lang_yuanti.2da: Invalid number of columns at line 58. 3 expected, 2 received. Columns: 55;catalan"
Basically, bioware 2da spec says that if a word contains spaces, it should be enclosed in double quotes, and it is forbidden to use tabs.
Printed lines go against this convention.