Flow price: --
f7e5e1a57d32f7bcf7732fe93d1097d9caad5ee09dca8fef4e1db3b470b26375

Transaction

Hash: f7e5e1a57d32f7bcf7732fe93d1097d9caad5ee09dca8fef4e1db3b470b26375
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f7e5e1a57d32f7bcf7732fe93d1097d9caad5ee09dca8fef4e1db3b470b26375:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f7e5e1a57d32f7bcf7732fe93d1097d9caad5ee09dca8fef4e1db3b470b26375
Status:
ERROR
Block height:
39813735
Block id:
bfa31d6fefea566d38d243e9cca2bc68492c60aea940d924edb867d65413d151
Timestamp:
Thursday 27 October 2022 at 15:08:16 UTC
()
Proposer:
Authorizers:
Gas used:
49