Shaderpack failed to load in 1.21
Here's the info copied from the error message:
deferred.fsh: deferred.fsh: ERROR: 0:57: '' : syntax error, unexpected SAMPLE, expecting COMMA or SEMICOLON
ERROR: 1 compilation errors. No code generated.
deferred.fsh: deferred.fsh: ERROR: 0:57: '' : syntax error, unexpected SAMPLE, expecting COMMA or SEMICOLON
ERROR: 1 compilation errors. No code generated.