Flow price: --
dd19d23ebb14d39d5e3058345b39d5f36f66a89b908c5fd97446b817eaac22c5

Transaction

Hash: dd19d23ebb14d39d5e3058345b39d5f36f66a89b908c5fd97446b817eaac22c5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dd19d23ebb14d39d5e3058345b39d5f36f66a89b908c5fd97446b817eaac22c5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dd19d23ebb14d39d5e3058345b39d5f36f66a89b908c5fd97446b817eaac22c5
Status:
ERROR
Block height:
40163588
Block id:
d29c99e6d79a7a58d7945d4c7450565142aeb14cc06c413cb9b14db845bc54c0
Timestamp:
Wednesday 2 November 2022 at 11:45:43 UTC
()
Proposer:
Authorizers:
Gas used:
50