Hello Arian,
I believe you would have not set read/write access for this user under the Detailed Restrictions Tab. You might have to check for "ABC NL" and enable read/write access.
Also please refer to the below blogs for more details.
Access Control Management: Basics of access control and business roles
Access Control Management: Access restrictions explained - Access Context
Access Control Management: Access restrictions explained - Restriction Rules
Regards,
--Swaroop