Flow price: --
580e692b1462990addd0b968206a44e2e00658d2c129598c7d691c90f397e007

Transaction

Hash: 580e692b1462990addd0b968206a44e2e00658d2c129598c7d691c90f397e007
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 580e692b1462990addd0b968206a44e2e00658d2c129598c7d691c90f397e007:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
580e692b1462990addd0b968206a44e2e00658d2c129598c7d691c90f397e007
Status:
ERROR
Block height:
40010390
Block id:
b3de4a7d88a8ee6739b59fd445827237bc0af46b3a1ecad457918d71e2ea8214
Timestamp:
Sunday 30 October 2022 at 21:54:01 UTC
()
Proposer:
Authorizers:
Gas used:
47