Simon, please go to the Developer perspective - instead of the system tab.. and do the same .. select multiple files, then try to activate. it is best practice to activate from the developer perspective instead of the system tab.
hope this works
Simon, please go to the Developer perspective - instead of the system tab.. and do the same .. select multiple files, then try to activate. it is best practice to activate from the developer perspective instead of the system tab.
hope this works