Flow price: --
a26cb22821d84dcaac05ee18965347ffc31636e59ed6ee8bc15a495b196e4578

Transaction

Hash: a26cb22821d84dcaac05ee18965347ffc31636e59ed6ee8bc15a495b196e4578
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a26cb22821d84dcaac05ee18965347ffc31636e59ed6ee8bc15a495b196e4578:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a26cb22821d84dcaac05ee18965347ffc31636e59ed6ee8bc15a495b196e4578
Status:
ERROR
Block height:
40097712
Block id:
8e02f7819b68b2e202a8b02cc9695dce1aab1e736480f8c27e6a53970df9e313
Timestamp:
Tuesday 1 November 2022 at 08:59:41 UTC
()
Proposer:
Authorizers:
Gas used:
50