Error in Purpur 1.21 about SynchedEnityData.

[TH2403y]

Describe the bug For example, if I use the Ecomobs plugin to summon any monster, Ecomobs functions almost normally, except for the constant error

To Reproduce Steps to reproduce the behavior:

1. Just Use Ecomobs to summon a mob

Expected behavior The content in the image will appear

Screenshots If applicable, add screenshots to help explain your problem.

Server Information (please complete the following information):

• Version: 1.21 Purpur
• Version of plugin and eco: Eco 6.71.4 PAPI Protocolib spark Ecomobs

[WillFP]

Fixed in latest! Thanks @lynxplay for the help with this one