FAIL baseURL supplied

Dear all, could you help me, we have trouble in our OAI metadata. When i check in OAI PMH here is the details. How to solve this problems?

FAIL baseURL supplied ‘’ does not match the baseURL in the Identify response ‘’. The baseURL you enter must EXACTLY match the baseURL returned in the Identify response. It must match in case ( does not match and include any trailing slashes etc.