Error: Undefined function
operation: MERCURYINCLUDE
[ 1] = C lib/mercury
called from: MERCURYINCLUDE, line: 0
called from: ..\source\exec.prg, (b)REPLACEBLOCKS, line: 141
called from: ..\source\exec.prg, REPLACEBLOCKS, line: 141
called from: ..\source\exec.prg, EXECUTE, line: 63
Source: