qperr.hlp (Topic list)
Error Message
 
Error 142:  Invalid EXTRN definition
 
Error 142 occurs when loading .OBJ files with {$L <name>}.
 
The .OBJ file contains an EXTRN directive that refers to
something other than a procedure, function, data item, or
typed constant. An EXTRN may not refer to a type, simple
constant, absolute variable, or inline procedure or
function.