V.SUPPORT

I have a problem with the V.SUPPORT program. I try to build topology
information (option 1 in v.support program) but I get the message
V.SUPPORT:
sh: 1128 MEMORY FAULT
ERROR (v.support) :Could not build vector file : 'contour'

Contour is a map that I have created using the r.conrour program.
Can anybody help me?
Thanks in advance.

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