Flow price: --
0b230d727daf3db11e8c9480c8e03b048d36efd9af8e498b935d2541e1ecb142

Transaction

Hash: 0b230d727daf3db11e8c9480c8e03b048d36efd9af8e498b935d2541e1ecb142
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0b230d727daf3db11e8c9480c8e03b048d36efd9af8e498b935d2541e1ecb142:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0b230d727daf3db11e8c9480c8e03b048d36efd9af8e498b935d2541e1ecb142
Status:
ERROR
Block height:
39751344
Block id:
65d07b1ff0096bb47a6bd729745d0d71c8db9bcc099cac856d830b13645e1e90
Timestamp:
Wednesday 26 October 2022 at 13:59:05 UTC
()
Proposer:
Authorizers:
Gas used:
50