[DISABLED, INFORMATION, WARNING, ERROR]
The assembler was not able to compute a specific fixup at assemble time. This message is issued if certain properties of a specific fixup are not met. For example if a fixup does only handle even addresses, but the address passed in turned out to be odd.
Check if you did use the right fixup type. Check if the actual instruction is legal with this fixup type and with the passed in value.