Flow price: --
4b277648b347ab97dd9cd9e43f6ba151f4cb5476a917fcc0ac1b618cdbecb995

Transaction

Hash: 4b277648b347ab97dd9cd9e43f6ba151f4cb5476a917fcc0ac1b618cdbecb995
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4b277648b347ab97dd9cd9e43f6ba151f4cb5476a917fcc0ac1b618cdbecb995:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4b277648b347ab97dd9cd9e43f6ba151f4cb5476a917fcc0ac1b618cdbecb995
Status:
ERROR
Block height:
40050322
Block id:
97d71d9bfd7e322a12670b87bbaa705cd209872a9375047eaba94ee11fbf35d6
Timestamp:
Monday 31 October 2022 at 13:53:38 UTC
()
Proposer:
Authorizers:
Gas used:
51