Flow price: --
547473a25c12dd2c60d8d8b86d1a721276f7ee6aa74a038f22362b337a8ade19

Transaction

Hash: 547473a25c12dd2c60d8d8b86d1a721276f7ee6aa74a038f22362b337a8ade19
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 547473a25c12dd2c60d8d8b86d1a721276f7ee6aa74a038f22362b337a8ade19:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
547473a25c12dd2c60d8d8b86d1a721276f7ee6aa74a038f22362b337a8ade19
Status:
ERROR
Block height:
39790940
Block id:
7da3dc861b8f074ed6343ee25e107cd6cc43686591ceff893ddd2214e9328201
Timestamp:
Thursday 27 October 2022 at 05:55:37 UTC
()
Proposer:
Authorizers:
Gas used:
47