This error message will be issued if (1) an unknown command is given, (2) a syntactical error is discovered while processing a command, or (3) the command cannot, for some reason, be performed. Note that if multiple commands are specified on the same input line, any error detected with a command will cause all subsequent commands on that line to be ignored.
An unknown type of trace, illegal parameters or an invalid tracing region has been specified with the trace command. The command must be reissued properly before the trace mechanism will become engaged.
A use or change trace has specified too many locations and/or location intervals to trace, or the number of locations and/or location intervals constituting the tracing region is excessive. An aggregate area comprising approximately 128 words is used to store these locations and intervals. Each location specification requires 2 words or this area, while a location interval requires 4 words. Thus, for example, a total of up to 64 location specifications or 32 intervals could be accommodated.
This message is issued when no more breakpoints can be accepted. The user must delete at least one previously established breakpoint before a new one can be accepted. A maximum of 20 breakpoints can be concurrently active.
A specified breakpoint location has either been found to be under the influence of a repeat-type instruction, or contains an illegal operation code.
A breakpoint location has been executed sending control into the trace package; however, no record of ever having established the breakpoint can be found. More than likely, the target program has moved an area of code containing a breakpoint location and is now executing it. The trace package will assume the replaced instruction was a NOP.
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