Flow price: --
90f591a371e6af217e6e3817aa081dedbca9ecd8e9ba4fa63f25de425e014c21

Transaction

Hash: 90f591a371e6af217e6e3817aa081dedbca9ecd8e9ba4fa63f25de425e014c21
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 90f591a371e6af217e6e3817aa081dedbca9ecd8e9ba4fa63f25de425e014c21:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
90f591a371e6af217e6e3817aa081dedbca9ecd8e9ba4fa63f25de425e014c21
Status:
ERROR
Block height:
40123789
Block id:
2635fab3eb30fd4474c4411e7ceeb137616c56f9c8cee26469dadef90a10ebda
Timestamp:
Tuesday 1 November 2022 at 19:33:18 UTC
()
Proposer:
Authorizers:
Gas used:
50