Knockback Please try again in a moment

Bug Name:

Knockback Please try again in a moment​

Bug Description:

As in the title, the system message "Please try again in a moment" will always pop up when being knocked back, and nothing can be moved. When attacking, it will switch to the main weapon.
Not limited to Maehwa, all classes will happen.
Stiffness will too, but I don't have a video at the moment.​

How to reproduce/proof:

Find a monster who can knocked back.
(For example, the sample in the film is Dark Rift's Saunil Siege Captain)
under attack and knocked back.​