Flow price: --
52783e441c9f8710912c9133eb87c6bd838c6d17af148461b14a18dd7544f88d

Transaction

Hash: 52783e441c9f8710912c9133eb87c6bd838c6d17af148461b14a18dd7544f88d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 52783e441c9f8710912c9133eb87c6bd838c6d17af148461b14a18dd7544f88d: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:
52783e441c9f8710912c9133eb87c6bd838c6d17af148461b14a18dd7544f88d
Status:
ERROR
Block height:
40040434
Block id:
b752001adc128a0ebf91b6520a4a6edf384465a7478292bb79b9be5a8a1d284a
Timestamp:
Monday 31 October 2022 at 09:54:29 UTC
()
Proposer:
Authorizers:
Gas used:
49