Flow price: --
b6e4177fdc1011d1f4fe5eb06e5c8e572e6a9bea21ce8f75bcf7cc295f1972b7

Transaction

Hash: b6e4177fdc1011d1f4fe5eb06e5c8e572e6a9bea21ce8f75bcf7cc295f1972b7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b6e4177fdc1011d1f4fe5eb06e5c8e572e6a9bea21ce8f75bcf7cc295f1972b7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b6e4177fdc1011d1f4fe5eb06e5c8e572e6a9bea21ce8f75bcf7cc295f1972b7
Status:
ERROR
Block height:
39849682
Block id:
954d014b754d51dbc17a18d8e704b77aa09109343c3d26b8a4a8f5b2f0879db9
Timestamp:
Friday 28 October 2022 at 05:37:42 UTC
()
Proposer:
Authorizers:
Gas used:
50