"misload" error on JB

[Don]

When trying to eject a cartridge from one of my JB's,
I get a "MISLOAD" error reported on the front panel.
Media is accessible, otherwise, just won't eject.

I've never seen this before.  And the choice of
message seems misleading (I could understand a "misload"
on a *load* but not an "eject"!)

I've just started to take the skin off the JB so I
can get access to the drive.  Is this just a nuisance
error (perhaps caused by manhandling the JB while
media was loaded) or a harbinger of Bad Things to come?

:<