2 [Utility.Event] ISCLOG: WebSocket [SendAsyncMessage]

Hi experts,
Please, do you know steps to analyse and correct this alarm?
This message was registered in messages.log

03/16/25-13:46:42:066 (21596) 2 [Utility.Event] ISCLOG: WebSocket [SendAsyncMessage] Error with OpenServer ns=ACB rtn=%CSP.WebSocket.1  data="0 "_$lb($lb(7953,"AKGmfwJ2q/lh6h0K/BKvQw==",,,,,,,,$lb(,"ACB",$lb("e^OpenServer+3^%CSP.WebSocket.1^2","e^SendAsyncMessage+13^%CSP.WebSocket.1^1","e^Page+4^%CSP.WebSocket.1^2","e^CSPDispatch+503^%SYS.cspServer^2","d^CSPDispatch+280^%SYS.cspServer^1","d^ProcessRequest+1^%CSP.Session.1^1","d^Request+685^%SYS.cspServer2^1","d^Request+25^%SYS.cspServer2^1","d^ProcessRequest+1^%CSP.Request.1^1","d^css+15^%SYS.cspServer2^1","d^Server+64^%SYS.SERVER^2","d^^^0"))))/* ERROR #7953: No data present for WebSocketID 'AKGmfwJ2q/lh6h0K/BKvQw==' */
03/16/25-13:55:15:943 (21044) 2 [Utility.Event] ISCLOG: WebSocket [SendAsyncMessage] Error with OpenServer ns=ACB rtn=%CSP.WebSocket.1  data="0 "_$lb($lb(7953,"v0B//nTrSFPD6CVqyET38g==",,,,,,,,$lb(,"ACB",$lb("e^OpenServer+3^%CSP.WebSocket.1^2","e^SendAsyncMessage+13^%CSP.WebSocket.1^1","e^Page+4^%CSP.WebSocket.1^2","e^CSPDispatch+503^%SYS.cspServer^2","d^CSPDispatch+280^%SYS.cspServer^1","d^ProcessRequest+1^%CSP.Session.1^1","d^Request+685^%SYS.cspServer2^1","d^Request+25^%SYS.cspServer2^1","d^ProcessRequest+1^%CSP.Request.1^1","d^css+15^%SYS.cspServer2^1","d^Server+64^%SYS.SERVER^2","d^^^0"))))/* ERROR #7953: No data present for WebSocketID 'v0B//nTrSFPD6CVqyET38g==' */
03/16/25-14:10:17:106 (8020) 0 [Generic.Event] INTERSYSTEMS IRIS JOURNALING SYSTEM MESSAGE
Automatic journal file roll to: g:\journals\20250316.043
03/16/25-14:13:31:603 (15708) 2 [Utility.Event] ISCLOG: WebSocket [SendAsyncMessage] Error with OpenServer ns=ACB rtn=%CSP.WebSocket.1  data="0 "_$lb($lb(7953,"1wz/tRG9KLslHMfUoyVOxA==",,,,,,,,$lb(,"ACB",$lb("e^OpenServer+3^%CSP.WebSocket.1^2","e^SendAsyncMessage+13^%CSP.WebSocket.1^1","e^Page+4^%CSP.WebSocket.1^2","e^CSPDispatch+503^%SYS.cspServer^2","d^CSPDispatch+280^%SYS.cspServer^1","d^ProcessRequest+1^%CSP.Session.1^1","d^Request+685^%SYS.cspServer2^1","d^Request+25^%SYS.cspServer2^1","d^ProcessRequest+1^%CSP.Request.1^1","d^css+15^%SYS.cspServer2^1","d^Server+64^%SYS.SERVER^2","d^^^0"))))/* ERROR #7953: No data present for WebSocketID '1wz/tRG9KLslHMfUoyVOxA==' */