Best not to check then. Did you happen to see if any errors show in the Script Editor window when saving or opening? Late edit: Is everything contained in the same scene file, or are you using assets/references to other files?
Hi, So you may have find something to dig on further... I tried to save as a .ma and got this error line : // Error: file: C:/Program Files/Autodesk/Maya2015/scripts/others/performFileAction.mel line 434: File contains unknown nodes or data. To preserve this information, the current file type cannot be changed. // Also, I…