en	At least one team leader must be assigned to the team.

en	The entered passwords don't match.

en	The email is already used.

en	The username is already used.

en	An equal username is already used.

en	An equal email is already used.

en	This value is not a valid role.

en	The end date must not be before the start date.

en	The begin date cannot be in the future.

en	Duration cannot be zero.
en	An empty duration is not allowed.

en	You must select at least one user or team.

en	This invoice document cannot be used. Please rename the file and upload it again.

en	This period is locked. Please choose a later date.

en	You already have an entry for this time.

en	The given value is not a valid time.

en	The budget is completely used.
en	The budget is used up. Of the available %budget%, %used% has been booked so far, %free% can still be used.

en	Sorry, the budget is used up.

en	Maximum duration of {{ value }} hours exceeded.
en	Maximum {{ value }} hours allowed.

en	An activity needs to be selected.

en	A project needs to be selected.

en	This timesheet is already exported.