Change WordPress user roles and capabilities › Forums › Restrict or Permit access inside WordPress – how to › Why URE restricted role when it is clearly given permission (on Submenu)? › Reply To: Why URE restricted role when it is clearly given permission (on Submenu)?
That’s good that you found a workaround.
I did not make any tests myself yet. So, just my assumptions:
Did you define custom post type with 1st uppercase letter, like ‘News’ instead of ‘news’?
Some mess may take place with capability ID: ‘create_newss’ vs ‘create_Newss’. Last one could be not converted or converted to the lowercase somewhere.