Flow price: --
5baa6988f3f46a1b21d5a082e5b26eff516e9e1e97e3d576b921ac8f8d5be410

Transaction

Hash: 5baa6988f3f46a1b21d5a082e5b26eff516e9e1e97e3d576b921ac8f8d5be410
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5baa6988f3f46a1b21d5a082e5b26eff516e9e1e97e3d576b921ac8f8d5be410:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5baa6988f3f46a1b21d5a082e5b26eff516e9e1e97e3d576b921ac8f8d5be410
Status:
ERROR
Block height:
40129084
Block id:
77263035d2a454b37c13b0777b3578dff5381f8c90eba6a8007e028d23af23a8
Timestamp:
Tuesday 1 November 2022 at 21:43:41 UTC
()
Proposer:
Authorizers:
Gas used:
48