Flow price: --
b213235903e223478bb76ee79be97d3f585a215442d36cadfd67f66cacd7489d

Transaction

Hash: b213235903e223478bb76ee79be97d3f585a215442d36cadfd67f66cacd7489d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b213235903e223478bb76ee79be97d3f585a215442d36cadfd67f66cacd7489d:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b213235903e223478bb76ee79be97d3f585a215442d36cadfd67f66cacd7489d
Status:
ERROR
Block height:
40122153
Block id:
b4a8b53d6ef7d6abbc2af98811aa76ee3bba02e88674ee57d285365ccd1b2230
Timestamp:
Tuesday 1 November 2022 at 18:53:19 UTC
()
Proposer:
Authorizers:
Gas used:
46