magento - Fatal error occurred: "Wrong max deactivate lock item time." -

when trying list our product on amazon magneto backend getting fatal error occurred: "wrong max deactivate lock item time.".

we using m2epro version 6.0.3

the problem can caused enabled compilation during upgrade.

to solve should click "run compilation process" in system -> tools -> compilation.

remember disable " compilation" option ( system -> tools -> compilation) before each upgrade , enable again once upgrade process completed.