May occur when optimising
The system parameter 'Nested pattern and part drawing view' is set to WoodWop. This method of operation creates new MPR(X) files for each part with the following format:-
$<runnumber><partnumber>.MPR
For example: for the 3rd part in run Parts15: $Parts0003.MPR
runnumber - run number or run name (whether a name or number is used is set in System parameters)
partnumber - 4 digit number
Where the part list name (and hence the run number) plus the extra characters is more than the maximum allowed for the program this gives an invalid name for the MPR(X) part file.
Check the run number and part list name
Notes
- The maximum allowed file name length is 50 characters and the part list name / run number must not exceed 44 characters when using WoodWop view. (Limit is 44 (not 45) to avoid problems with the MPR(X) pattern name which is also created by this process).
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