Description: Invalid header signature; read 0x0000000000000000, expected 0xE11AB1A1E011CFD0 [A document more or less from Email import]
The Email documents imported are Corrupt. The Email could be corrupt before importing, as the document is bound to come in with a size of 0KB. Import the document again, see if it fails out. If this happens a second time, the email will need to find another way in.
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