This section describes the possible causes and solutions for File Manager error messages. Possible cause: You have entered an invalid Owner Name or Group Name. Solution: Edit the Owner Name or Group Name text fields. If necessary, consult your system administration to learn valid values. For more information: see Possible cause: You lack write permission for the folder in which you want to create the file. Solution: Change the permission of the folder by selecting the folder and choosing Change Permissions from the Selected menu. For more information: see .