Flow price: --
986e9600305bbbdc69e0f334f86d462862f940478e37937470c8a83e09aeef49

Transaction

Hash: 986e9600305bbbdc69e0f334f86d462862f940478e37937470c8a83e09aeef49
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 986e9600305bbbdc69e0f334f86d462862f940478e37937470c8a83e09aeef49:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
986e9600305bbbdc69e0f334f86d462862f940478e37937470c8a83e09aeef49
Status:
ERROR
Block height:
39853033
Block id:
4ee0aa4d1f554471b26f65b723969f06ffd67ad56e482f9b86550fdac5eeb7fe
Timestamp:
Friday 28 October 2022 at 06:59:45 UTC
()
Proposer:
Authorizers:
Gas used:
49