error LNK2038: mismatch detected for ‘_ITERATOR_DEBUG_LEVEL’: value ‘0’ doesn’t match value ‘2’ in main.obj

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In VS2010 iterator debug level defaults to 2 in debug and is disabled in release. One of the dlls you are using probably has iterator debugging turned off in debug either because it was built in an older version of visual studio or they explicitly added the defines to the project.

Search for _ITERATOR_DEBUG_LEVEL and _SECURE_SCL remove them or set them appropriately in all projects and sources and rebuild everything.

_ITERATOR_DEBUG_LEVEL = 0 // disabled (for release builds)
_ITERATOR_DEBUG_LEVEL = 1 // enabled (if _SECURE_SCL is defined)
_ITERATOR_DEBUG_LEVEL = 2 // enabled (for debug builds)

In short you are probably mixing release and debug dlls. Don’t linked release dlls in debug or vice versa!

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