Flow price: --
c75c7cf869760c7ccc57d2b26fdab7e323d476eb0925a3e1fd8d733f63310dbc

Transaction

Hash: c75c7cf869760c7ccc57d2b26fdab7e323d476eb0925a3e1fd8d733f63310dbc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c75c7cf869760c7ccc57d2b26fdab7e323d476eb0925a3e1fd8d733f63310dbc: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:
c75c7cf869760c7ccc57d2b26fdab7e323d476eb0925a3e1fd8d733f63310dbc
Status:
ERROR
Block height:
39873108
Block id:
c3cc88509a8a2ee765632324c984938bcdc4ad4649b8d66639bb12feeeed643f
Timestamp:
Friday 28 October 2022 at 15:04:33 UTC
()
Proposer:
Authorizers:
Gas used:
46