Check_MK Werk 4953: Fixed possible exception during activation when files are modified while activating

ID: 4953 Title: Fixed possible exception during activation when files are modified while activating Component: WATO Level: 1 Class: Bug fix Version: 1.5.0i1 When activating changes via WATO it is packing the current configuration in so called sync snapshots. In case the files are modified while being packed an error occured preventing the whole activation process. This could especially happen in environments with a larger number of active GUI users.