Flow price: --
2187d22e93ad28dd01ab12bf701b65fd5a6e81ee410d83ecd6e13373e26e56b0

Transaction

Hash: 2187d22e93ad28dd01ab12bf701b65fd5a6e81ee410d83ecd6e13373e26e56b0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2187d22e93ad28dd01ab12bf701b65fd5a6e81ee410d83ecd6e13373e26e56b0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2187d22e93ad28dd01ab12bf701b65fd5a6e81ee410d83ecd6e13373e26e56b0
Status:
ERROR
Block height:
39853486
Block id:
2c0ab3afa7b632d9679b1dddfcfcf5848cb9c18273e5ee51390a40e48ec36656
Timestamp:
Friday 28 October 2022 at 07:11:05 UTC
()
Proposer:
Authorizers:
Gas used:
46