Edit: I was wrong, it was not the weird action, it was too many saves
Dialog: localStorage failed! QuotaExceededError: Failed to execute 'setItem' on 'Storage': Setting the value of 'content:save:476c756c000301020036860000789e0000789e00000928000000003c00264df30b08991d496e666f00010000362e3333302e33380009323030383130c1000030:028' exceeded the quota.
Edit: I was wrong, it was not the weird action, it was too many saves