Flow price: --
dc6f8ca86a8354ef5ed2875b4d9c919360d65d253f132700e7a733b5f7d10691

Transaction

Hash: dc6f8ca86a8354ef5ed2875b4d9c919360d65d253f132700e7a733b5f7d10691
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dc6f8ca86a8354ef5ed2875b4d9c919360d65d253f132700e7a733b5f7d10691:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dc6f8ca86a8354ef5ed2875b4d9c919360d65d253f132700e7a733b5f7d10691
Status:
ERROR
Block height:
40093800
Block id:
06f0d22ee6a9c759a3a5a6853ff1e18b1e7f2b278b9503e826d81d72dac22c1c
Timestamp:
Tuesday 1 November 2022 at 07:24:23 UTC
()
Proposer:
Authorizers:
Gas used:
50