Invalid action: '{name}'

A :tab or window-management command received an unrecognised action argument. Consult :help for the command to see the list of accepted action values.

References

vimhelp.org/message.txt.html

In this namespace

← previous E86 Buffer {nr} does not exist next → E96 Can't use mark in other window

E76 E776 E85 E855 E86 E927 E96