Old pmmp Plugin does not delete

I cant delete the plugin when i delete it and run the server it keeps staying there now cant join my server because of the plugin outdated

2020-06-30 [12:59:43] [Server thread/ERROR]: Could not load plugin 'AntiHack': Incompatible network protocol version (plugin requires one of: 390)2020-06-30 [12:59:43] [Server thread/ERROR]: Could not load plugin 'Texter': Incompatible network protocol version (plugin requires one of: 388, 389, 390)2020-06-30 [12:59:43] [Server thread/ERROR]: Could not load plugin 'Slapper': Incompatible network protocol version (plugin requires one of: 361, 388, 389, 390)

[1:05 PM]

Pls try fixing this problem

OfficialRedSeries

idk what is this:

#NPbLBlhsXGM5Pmu9

it not the plugin too!

2020-07-03 [17:08:58] [Server thread/CRITICAL]: TypeError: "Argument 1 passed to pocketmine\network\mcpe\NetworkBinaryStream::putString() must be of the type string, int given, called in phar:///server/server.phar/src/pocketmine/network/mcpe/protocol/AddActorPacket.php on line 211" (EXCEPTION) in "src/pocketmine/network/mcpe/NetworkBinaryStream" at line 62

Why you delete the old data and renew it?

It fixed:

there a plugin who make me error now I delete it and fixed!