this flyfall or fallfly lib thing is causing a game crash with 1.17

i need help and would appreciate support

22:03:14.322
Preparing to launch minecraft client for fabric-loader-0.11.6-1.17
22:03:15.825
Checking installations.
22:03:15.840
Minecraft client fabric-loader-0.11.6-1.17 is ready to start.
22:03:15.840
Starting!
22:03:16.650
Using default game log configuration client-1.12.xml (outputs XML)
22:03:17.616
Loading for game Minecraft 1.17
22:03:17.926
The mod "libcd" contains invalid entries in its mod json:

• Unsupported root entry "licence" at line 9 column 12
  22:03:17.926
  The mod "libcd" contains invalid entries in its mod json:
• Unsupported root entry "licence" at line 9 column 12
  22:03:17.937
  The mod "libcd" contains invalid entries in its mod json:
• Unsupported root entry "licence" at line 9 column 12
  22:03:17.995
  The mod "libcd" contains invalid entries in its mod json:
• Unsupported root entry "licence" at line 9 column 12
  22:03:18.015
  The mod "libcd" contains invalid entries in its mod json:
• Unsupported root entry "licence" at line 9 column 12
  22:03:18.215
  Warnings were found!
• Conflicting versions found for fabric-api-base: used 0.3.0+a02b4463c6, also found 0.3.0+a02b44633d, 0.3.0+a02b4463a0
• Conflicting versions found for fabric-networking-v0: used 0.3.2+92519afac6, also found 0.3.2+92519afa3d
• Conflicting versions found for fabric-networking-api-v1: used 1.0.11+b7ab6121a0, also found 1.0.11+b7ab61213d
• Mod 'William Wythers Overhauled Overworld' (william-wythers-overhauled-overworld) recommends version 1.14.0 or later of mod modmenu, which is missing!
  • You must install version 1.14.0 or later of modmenu.
    22:03:18.224
    [FabricLoader] Loading 140 mods:
  • [email protected]+1.17
  • [email protected]+1.17
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]+1.17
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  • [email protected]
  • [email protected]
  • [email protected]
  • croptopia@${mod_version}
  • [email protected]
  • [email protected]+mc.1.16.5
  • [email protected]
  • [email protected]
  • [email protected]+1.17
  • [email protected]
  • [email protected]
  • [email protected]+1.17
  • [email protected]+a02b4463c6
  • [email protected]+1d383bb63d
  • [email protected]+c345aea83d
  • [email protected]+a02b44633d
  • [email protected]+a02b44633d
  • [email protected]+92519afa3d
  • [email protected]+a02b44633d
  • [email protected]+a02b44633d
  • [email protected]+be9da3103d
  • [email protected]+a02b44633d
  • [email protected]+a02b44633d
  • [email protected]+a02b44633d
  • [email protected]+92519afa3d
  • [email protected]
  • [email protected]+a02b44633d
  • [email protected]+a02b44633d
  • [email protected]+b7ab61213d
  • [email protected]+a02b44633d
  • [email protected]+36b77c3e3d
  • [email protected]+kotlin.1.5.10
  • [email protected]+a02b44633d
  • [email protected]+a02b44633d
  • [email protected]+92519afa3d
  • [email protected]+a02b44633d
  • [email protected]+b7ab6121a0
  • [email protected]+a02b44633d
  • [email protected]+92519afac6
  • [email protected]+b7ab61213d
  • [email protected]+a02b44633d
  • [email protected]+a02b44633d
  • [email protected]+e2961fee3d
  • [email protected]+676f40fa3d
  • [email protected]+a02b44633d
  • [email protected]+a02b44633d
  • [email protected]+a02b44633d
  • [email protected]+a02b44633d
  • [email protected]+92519afa3d
  • [email protected]+a02b44633d
  • [email protected]+b7ab61213d
  • [email protected]+155f865c3d
  • [email protected]+a02b44633d
  • [email protected]+e36969833d
  • [email protected]+a02b44633d
  • [email protected]+a02b44633d
  • [email protected]+b7ab61213d
  • [email protected]
  • [email protected]
  • [email protected]
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  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]+j1.2.0
  • java@16
  • [email protected]+1.17
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]+1.16.3
  • [email protected]+1.17
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]+mc1.17
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
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  • [email protected]

What you posted is not a crash report. There isn't really a way I can help here, unless you post an actual crash report. Either way, the library works in itself, so this is probably a conflict with one of the other mods you have installed.