Flow price: --
1b171f04e1d0a00e5996f88381dcbd6bd9b6369f6574d208d978a7c8815582ce

Transaction

Hash: 1b171f04e1d0a00e5996f88381dcbd6bd9b6369f6574d208d978a7c8815582ce
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1b171f04e1d0a00e5996f88381dcbd6bd9b6369f6574d208d978a7c8815582ce: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:
1b171f04e1d0a00e5996f88381dcbd6bd9b6369f6574d208d978a7c8815582ce
Status:
ERROR
Block height:
40062023
Block id:
ed0d1422e23b6a6483b9796dac199acaf805a2f11e61b2a0b1d780e070ceddb8
Timestamp:
Monday 31 October 2022 at 18:38:19 UTC
()
Proposer:
Authorizers:
Gas used:
49