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Type:
Problem report
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Resolution: Commercial support required
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Priority:
Trivial
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None
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Affects Version/s: None
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Component/s: None
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None
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Environment:Zabbix server 7.0.21
OS: Redhat
Dears,
I need help. I'm receiving the error: "widget system information permission denied." I created a dashboard with 3 system information widgets, and sometimes it appears in all 3, sometimes only in 1. All other data collection is working fine; I don't have any data collection failures or any other problems.
The Zabbix log shows this error:

3875:20251123:083656.483 [Z3005] query failed: [2006] Server has gone away [select u.userid,u.roleid,u.username,r.type from sessions s,users u,role r where s.userid=u.userid and s.sessionid='886308860a1adc2d95ea3a6721306b03' and s.status=0 and u.roleid=r.role id] 3865:20251123:083656.569 [Z3005] query failed: [2006] Server has gone away [select u.userid,u.roleid,u.username,r.type from sessions s,users u,role r where s.userid=u.userid and s.sessionid='886308860a1adc2d95ea3a6721306b03' and s.status=0 and u.roleid=r.role id] 3866:20251123:083745.993 [Z3005] query failed: [4031] The client was disconnected by the server because of inactivity. See wait_timeout and interactive_timeout for configuring this behavior. [select u.userid,u.roleid,u.username,r.type from sessions s,users u, role r where s.userid=u.userid and s.sessionid='886308860a1adc2d95ea3a6721306b03' and s.status=0 and u.roleid=r.roleid] 3881:20251123:083902.986 [Z3005] query failed: [2006] Server has gone away [select u.userid,u.roleid,u.username,r.type from sessions s,users u,role r where s.userid=u.userid and s.sessionid='886308860a1adc2d95ea3a6721306b03' and s.status=0 and u.roleid=r.role id] 3858:20251123:084009.449 [Z3005] query failed: [2006] Server has gone away [select u.userid,u.roleid,u.username,r.type from sessions s,users u,role r where s.userid=u.userid and s.sessionid='886308860a1adc2d95ea3a6721306b03' and s.status=0 and u.roleid=r.role id] 3877:20251123:084155.728 [Z3005] query failed: [4031] The client was disconnected by the server because of inactivity. See wait_timeout and interactive_timeout for configuring this behavior. [select u.userid,u.roleid,u.username,r.type from sessions s,users u, role r where s.userid=u.userid and s.sessionid='886308860a1adc2d95ea3a6721306b03' and s.status=0 and u.roleid=r.roleid] 3870:20251123:084438.611 [Z3005] query failed: [2006] Server has gone away [select u.userid,u.roleid,u.username,r.type from sessions s,users u,role r where s.userid=u.userid and s.sessionid='886308860a1adc2d95ea3a6721306b03' and s.status=0 and u.roleid=r.role id] SHOW VARIABLES LIKE 'wait_timeout'; ----> 28800 SHOW VARIABLES LIKE 'interactive_timeout'; ----> 28800