Steps to reproduce

1. Log in to back office.
2. Go to URL {host}/admin/company/details/{companyId}
3. Verify notification message.

Actual result:

Incorrect notification popup message for not existing company (database query):

Could not find 'Content' with identifier 'array (
'id' => 1510,
'languages' =>
array (
0 => 'eng-GB',
),
'versionNo' => NULL,
)' 

Expected result:

Correct notification message is displayed with information that company id '1510' not found.