Flow price: --
64f099c80a697caf6361201d90409565bdb9b56cba3c35293ab1367752f8d8d8

Transaction

Hash: 64f099c80a697caf6361201d90409565bdb9b56cba3c35293ab1367752f8d8d8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 64f099c80a697caf6361201d90409565bdb9b56cba3c35293ab1367752f8d8d8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
64f099c80a697caf6361201d90409565bdb9b56cba3c35293ab1367752f8d8d8
Status:
ERROR
Block height:
40122944
Block id:
8a28e98885637bf59617b7d8a0f0d8551b0691382e2dab2e35d6f488762da833
Timestamp:
Tuesday 1 November 2022 at 19:12:40 UTC
()
Proposer:
Authorizers:
Gas used:
48