Flow price: --
71a77c40834b7a88a38d7d515a66b6c6351b109b298475839278bdfaa7c92c25

Transaction

Hash: 71a77c40834b7a88a38d7d515a66b6c6351b109b298475839278bdfaa7c92c25
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 71a77c40834b7a88a38d7d515a66b6c6351b109b298475839278bdfaa7c92c25:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
71a77c40834b7a88a38d7d515a66b6c6351b109b298475839278bdfaa7c92c25
Status:
ERROR
Block height:
40083366
Block id:
7898c7f792a7ebfc04cd0c08741c88da6056a0b3486e63d192b2077a27e8f5a9
Timestamp:
Tuesday 1 November 2022 at 03:09:17 UTC
()
Proposer:
Authorizers:
Gas used:
49