Verifier persists in tracking incoming tasks when throttle limit has been exceeded

[teutsch]

https://discord.com/channels/681631420674080993/844288076326895617/895697930974019604

[10-07 10:11:21] info: VERIFIER [TASK 0x291]: Solution has been posted.
[10-07 10:11:21] warn: VERIFIER [TASK 0x291]: I have reached my throttle limit of 5 simultaneous task(s) and will sit this one out.
[10-07 10:11:21] info: VERIFIER [TASK 0xa48]: Solution has been posted.
[10-07 10:11:21] warn: VERIFIER [TASK 0xa48]: I have reached my throttle limit of 5 simultaneous task(s) and will sit this one out.
[10-07 10:11:21] error: VERIFIER [TASK 0x291]: Error while handling SolutionCommitted event {"address":"0x76c73774bc137f3229c422a8e054a022d9066b22","blockNumber":5628648,"transactionHash":"0x258e278547300a12b8cc5c53db1743c930a23845cbad9b5dcf2310bc8affb24c","transactionIndex":4,"blockHash":"0x57486ca93b50515a87aa759c976b572fe185bcfa878d52613244c6e1f5ec7245","logIndex":2,"removed":true,"event":"SolutionCommitted","args":{"taskID":"0x29174d82bf013c4d606ecf92afd0db329b4e68296a7fb5878a919cd7a65473fc"}}: TypeError: Cannot read property 'solutionPosted' of undefined
[10-07 10:11:21] error: VERIFIER [TASK 0x6e3]: Error while handling SolutionCommitted event {"address":"0x76c73774bc137f3229c422a8e054a022d9066b22","blockNumber":5628648,"transactionHash":"0xc54644a62e2be25b4cd28338cce0f4c8bf7408161c52bbadc4f36fcd4b6f2567","transactionIndex":6,"blockHash":"0xa657a8d92834cc78f170e77810c979725ff488e9a020aa8364ca511c9d7893ae","logIndex":4,"removed":false,"event":"SolutionCommitted","args":{"taskID":"0x6e3f60ca1f7a35f936684ddd0c000d4eab5ab060f2b1bb1216c8d94fd8e080e1"}}: TypeError: Cannot read property 'solutionPosted' of undefined
[10-07 10:11:21] error: VERIFIER [TASK 0xa48]: Error while handling SolutionCommitted event {"address":"0x76c73774bc137f3229c422a8e054a022d9066b22","blockNumber":5628648,"transactionHash":"0xe1ef9958394bf72620c2e36bc4099e4ce0f5cda8600cad22b8dd155307a0a5c6","transactionIndex":5,"blockHash":"0x57486ca93b50515a87aa759c976b572fe185bcfa878d52613244c6e1f5ec7245","logIndex":3,"removed":true,"event":"SolutionCommitted","args":{"taskID":"0xa48d96c97d4a4255c5b2a2221bde1a97ba18a538fa079a80c1e8fef6f843c7ab"}}: TypeError: Cannot read property 'solutionPosted' of undefined