Flow price: --
f91cb47dd2481b373a5750b0ed079e8df384a779f360ed0851ea17dc6bf6bbd7

Transaction

Hash: f91cb47dd2481b373a5750b0ed079e8df384a779f360ed0851ea17dc6bf6bbd7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f91cb47dd2481b373a5750b0ed079e8df384a779f360ed0851ea17dc6bf6bbd7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f91cb47dd2481b373a5750b0ed079e8df384a779f360ed0851ea17dc6bf6bbd7
Status:
ERROR
Block height:
39859257
Block id:
dd0c2f608e0f5f86b273ad7c544c9763a802ac1fd04e4b977c2f48f445532753
Timestamp:
Friday 28 October 2022 at 09:30:52 UTC
()
Proposer:
Authorizers:
Gas used:
47