sha256c is the compiled (hence the c) version of tcllib's sha256 package. tcllib tried to 'package require' this, which is why it shows up in ::errorInfo. This should not cause any problems though as it's optional.
sha256c is the compiled (hence the c) version of tcllib's sha256 package. tcllib tried to 'package require' this, which is why it shows up in ::errorInfo. This should not cause any problems though as it's optional.