Flow price: --
8ab6aa34c7561e71e981978cdd4e05143c0b83a54f657eed59864cc2f6aa8279

Transaction

Hash: 8ab6aa34c7561e71e981978cdd4e05143c0b83a54f657eed59864cc2f6aa8279
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8ab6aa34c7561e71e981978cdd4e05143c0b83a54f657eed59864cc2f6aa8279:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8ab6aa34c7561e71e981978cdd4e05143c0b83a54f657eed59864cc2f6aa8279
Status:
ERROR
Block height:
39975240
Block id:
8438eafb34b5102e6d860d7bc5b7ee0633d18cdc48383856d6aa4cd3c76593bf
Timestamp:
Sunday 30 October 2022 at 07:51:46 UTC
()
Proposer:
Authorizers:
Gas used:
50