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0001621graphvizDotpublic2009-06-17 10:332016-05-04 13:31
Johannes Tietje 
x86-Linux-Ubuntu 9.04
1666 [^]
0001621: Assertion `(g)->u.rank[r].n <= (g)->u.rank[r].an' failed.

By drawing a certain graph, i receive the

"dot: mincross.c:846: install_in_rank: Assertion `(g)->u.rank[r].n <= (g)->u.rank[r].an' failed."

error, whilst laying out the same graph without subgraphs (some nodes are expanded into subgraphs) causes no problems. I attached the text file for debugging reasons.
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dot (2,803) 2016-05-04 13:31
Issue History
2011-04-28 04:03user1New Issue
2011-04-28 04:03user1Assigned To => user1
2016-05-04 13:30ballNote Added: 0001050
2016-05-04 13:31ballFile Added:

2016-05-04 13:30   
I'm having the same problem. I'll upload my dot which is a lot simpler than the OP's.