Flow price: --
642c3217c72186af40649cd9cba216885f0aba28120ad974263abb4e6c8ddf83

Transaction

Hash: 642c3217c72186af40649cd9cba216885f0aba28120ad974263abb4e6c8ddf83
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 642c3217c72186af40649cd9cba216885f0aba28120ad974263abb4e6c8ddf83:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
642c3217c72186af40649cd9cba216885f0aba28120ad974263abb4e6c8ddf83
Status:
ERROR
Block height:
39963668
Block id:
53be36a9b85b56779015a455b948879f7f8510eb2146f3c9e4fe75de39384377
Timestamp:
Sunday 30 October 2022 at 03:13:19 UTC
()
Proposer:
Authorizers:
Gas used:
50