The 1.12.1 version of botania is reporting texture errors regardless of forge verison used:

[18:28:41] [main/ERROR] [TEXTURE ERRORS]: +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: The following texture errors were found.
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: ==================================================
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: DOMAIN botania
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: --------------------------------------------------
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: domain botania is missing 5 textures
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: domain botania has 1 location:
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: mod botania resources at D:\Program Files\Minecraft\MultiMC\instances\Version121\minecraft\mods\Botania r1.10-347.jar
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: -------------------------
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: The missing resources for domain botania are:
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: textures/blocks/custombrick3.png
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: textures/blocks/custombrick1.png
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: textures/blocks/custombrick0.png
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: textures/blocks/custombrick2.png
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: textures/items/headpiece_tiara_wing_1.png
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: -------------------------
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: No other errors exist for domain botania
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: ==================================================
[18:28:41] [main/ERROR] [TEXTURE ERRORS]: +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=