An unspecified error occured in Program Editor

Sometimes, Robot Studio decides not to open the program editor anymore. It tries to open it, fails and reports this error message: An unspecified error occured in Program Editor. Then I basically have to load the program again. I am using version 5.14, so I am quite surprised that a bug like this has not yet been detected/removed.

Hi,Do you use 5.14.00 or 5.14.01 with SP1?