Flow price: --
5a14f5a47c3d8c0293a9519e0890e90c8478d37e78c560c50b5e6696b5116fa4

Transaction

Hash: 5a14f5a47c3d8c0293a9519e0890e90c8478d37e78c560c50b5e6696b5116fa4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5a14f5a47c3d8c0293a9519e0890e90c8478d37e78c560c50b5e6696b5116fa4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5a14f5a47c3d8c0293a9519e0890e90c8478d37e78c560c50b5e6696b5116fa4
Status:
ERROR
Block height:
39851617
Block id:
bd2da6a506c7e5211943bc0e8f46b0a9af0cd135da1ec14b721114d10f857c7c
Timestamp:
Friday 28 October 2022 at 06:25:10 UTC
()
Proposer:
Authorizers:
Gas used:
49