The file (specifically TLSkinAndCapeMod-Forge-1.12.2.jar ) is a system mod for Minecraft version 1.12.2, primarily associated with the TLauncher platform.
This can happen if the mod is built for an older Forge version or is obfuscated incorrectly. Fix: Update Forge to the latest recommended build for 1.12.2. Alternatively, search for a newer release of tlskinandcape mod (some reuploads fix manifest issues). file name tlskinandcapemodforge1122jar
When dealing with an obscure filename like tlskinandcapemodforge1122jar , errors are common. Here is how to solve them. The file (specifically TLSkinAndCapeMod-Forge-1