Cannot deleted ressource assigned in projet and delete project with 0 hours

hi
from ressource menu same error

from on project, i can't delete ressource project

if i connect whith owner created project
i can't delete ressource allocation

from menu allocation to projet
i can't remove ==> Invalid controls.

you don't have rights to delete this item


This operation must be confirmed

The following dependent elements will also be deleted
  - Assignment (9)

hi
i can delete project if i connect with owner of the creator project
identified by userid in mysql
connect with this account, on project, i can delete all ressources and last
still owner ressource and delete project ==> successfull

Stil the first project test with admin account i can't delete
userid=1
admin user so snif!