MCNPX memory error: "bad trouble in imcn in routine dynamic allocation"

AI Thread Summary
The error "bad trouble in imcn in routine dynamic allocation" occurs when describing a hexagonal fuel assembly in MCNPX. Users are encouraged to provide more context by sharing the full input file or a simplified version that still triggers the error. This additional information can help diagnose the issue more effectively. There may be a maximum limit related to the parameters used in the assembly description. Clarifying these details is essential for troubleshooting the memory error.
Nagib Benamer
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I would like to ask about this error " bad trouble in imcn in routine dynamic allocate"
this came up when I described a hexagonal fuel assembly with lat=2 fill=-17:17 -17:17 0:0 but it gave the error above. is there a maximum for this?
 
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Welcome to PhysicsForums @Nagib Benamer,

That looks fine. It would probably help to show us more of the problem, ideally a full input file if you are able. If you are not able to share the full input file, then if you can cut the problem down to make a smaller problem that still produces the same error, that would also be helpful. If you wish to attach an input file you will need to change the file name to add .txt
 

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