99-0002 - Key not unique - Value has already been assigned to another object

Error number: 99-0002 - key not unique - value has already been assigned to another object.

duplicate key in node::insert (err_am_dup_key) During index maintenance for:

Users

ClassiX

Error description

When saving an object, it was assigned a number which is already assigned.

Review

Does an object of the same type with this number already exist?

Causes

see error description

Possible solutions

Give the object a different number.
If you do not enter a number manually, please check the appropriate counter.

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Technical background

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