Message SAP XT667 - System &2 cannot read test file written by &1

Diagnosis
The configuration of the Transport Management System has the twosystems &V1& and &V2& in the same transport group. Thismeans that the two systems access a common transport directory.
When the system checked the transport groups, it discovered that system&V2& cannot read a test file written by system &V1& tothe transport directory. The return code of the action was &V3&

Procedure
Check the configuration of the systems &V1& and &V2&.