Flow price: --
f41c3cfa493828891810ab3db17197ace08c1f9d8e19174f934d6b456dfde344

Transaction

Hash: f41c3cfa493828891810ab3db17197ace08c1f9d8e19174f934d6b456dfde344
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f41c3cfa493828891810ab3db17197ace08c1f9d8e19174f934d6b456dfde344:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f41c3cfa493828891810ab3db17197ace08c1f9d8e19174f934d6b456dfde344
Status:
ERROR
Block height:
40102104
Block id:
6bf1534aacf2042d57b7d3e40d1ae325224db9b429ffb692292c075b56a6d385
Timestamp:
Tuesday 1 November 2022 at 10:46:08 UTC
()
Proposer:
Authorizers:
Gas used:
46