Does PMP supports SP initiated SSO or IDP initiated SSO

Does PMP supports SP initiated SSO or IDP initiated SSO

Hi All,
           Am using Password manager pro as service provider along with our Identity provider. When I tried SP initiated SSO , it got failed and in logs its showing "" response from the idp is expired. please check the pmp server time "" . After that I checked my IDP time and PMP Server machine time and both are same. Still it is showing the same error. And am having one doubt that it supports SP initiated SSO? 

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