Flow price: --
bcf79aa4f7bf7cfe16e4afddb01198e47ab7050bf2794af8c25f2949638b856b

Transaction

Hash: bcf79aa4f7bf7cfe16e4afddb01198e47ab7050bf2794af8c25f2949638b856b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bcf79aa4f7bf7cfe16e4afddb01198e47ab7050bf2794af8c25f2949638b856b: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:
bcf79aa4f7bf7cfe16e4afddb01198e47ab7050bf2794af8c25f2949638b856b
Status:
ERROR
Block height:
39849681
Block id:
b0fec7fac5caa441573dec9b4c62e092e979b255cde4070976a1fe1aa94c78bc
Timestamp:
Friday 28 October 2022 at 05:37:41 UTC
()
Proposer:
Authorizers:
Gas used:
52