Flow price: --
01f091ccb836c3b78a07b0ec1851cad8ca8ebae8bd4bf5b1017d39cfb75c57e8

Transaction

Hash: 01f091ccb836c3b78a07b0ec1851cad8ca8ebae8bd4bf5b1017d39cfb75c57e8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 01f091ccb836c3b78a07b0ec1851cad8ca8ebae8bd4bf5b1017d39cfb75c57e8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
01f091ccb836c3b78a07b0ec1851cad8ca8ebae8bd4bf5b1017d39cfb75c57e8
Status:
ERROR
Block height:
39895899
Block id:
6a17f98639698d784d08d121b6b2336864bf95b22532d7a800b5b12ddec6df37
Timestamp:
Saturday 29 October 2022 at 00:07:41 UTC
()
Proposer:
Authorizers:
Gas used:
75