Flow price: --
6f502e1be0c5e67d0088e3a4cb60ad4efee2065ceb60060ec4da27bb721c4be6

Transaction

Hash: 6f502e1be0c5e67d0088e3a4cb60ad4efee2065ceb60060ec4da27bb721c4be6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6f502e1be0c5e67d0088e3a4cb60ad4efee2065ceb60060ec4da27bb721c4be6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6f502e1be0c5e67d0088e3a4cb60ad4efee2065ceb60060ec4da27bb721c4be6
Status:
ERROR
Block height:
39891666
Block id:
9940e157a9da930ed88939bb4f9ff1b281e3a002a915acf000cfaae36e2c15f8
Timestamp:
Friday 28 October 2022 at 22:28:28 UTC
()
Proposer:
Authorizers:
Gas used:
49