**Tested on**

- Begin of the insertionCoreEnd of the insertion Begin of the deletion Edge.openproject.org
- EdgeEnd of the deletion version: Begin of the insertion3.0.0pre22End of the insertion Begin of the deletion 5.0.pre9End of the deletion

Begin of the insertion**Actual behavior:**End of the insertion Begin of the deletion **Bug:**End of the deletion When entering anything else than numbers in field “Work Package” (“Log Time” -\> “Work Package”) a 404 error is displayed.

**Expected behavior:** Begin of the insertionWhen entering anything else thanEnd of the insertion Begin of the deletion If onlyEnd of the deletion numbers Begin of the deletion are allowedEnd of the deletion in field “Work Package” Begin of the insertion(“Log Time” -\> “Work Package”), the userEnd of the insertion Begin of the deletion form validationEnd of the deletion should be Begin of the insertioninformed that input is invalid.

**Prerequisite:**

- Module “Time tracking” is activated

**Steps to reproduce**

1. Click on Overview.
2. Click on “Log time” (under “Spent time.”)
3. Enter non-integer in field “Work package”.
4. (404 error is displayed)End of the insertion Begin of the deletion used (without using all the data entered by the user).End of the deletion