FirewallBuilder

I cannot open my data file, I get error "Error checking file out: co: RCS file c:/fwbuilder/RCS/file.fwb is in use"

A catastrophe (e.g. a system crash) can cause RCS to leave behind a semaphore file that causes later invocations of RCS t o claim that the RCS file is in use. To fix this, remove the semaphore file. A semaphore file name typically begins with , or ends with _.

If not that, then it could be another manifestation of bug #1908351

See if there is a file with the name starting and ending with a comma in the RCS directory (like ",file.fwb,"). The file should have length of zero bytes. This file is a lock file, it is created and deleted by RCS tools. Bug 1908351 caused this lock file t o be left behind. When that happens, ci won't check file in because it thinks another copy of ci is already running. Likewise, co won't check the file out for the same reason. If such file exists (zero bytes in length and name starting or ending with a comma), just dele te it and try to check your data file out again.