Can you commit to that file from a new working copy? Also, rule of thumb: quote error messages fully. (In this case, you omitted the replaceable part (the affected filename), which is usually the second most important thing in the error message.)
Daniel James wrote on Sat, Nov 22, 2014 at 16:43:10 +0000: > I have a file cannot be committed with the error: "Base checksum mismatch > on". How can I fix it? > Thanks,James >