Flow price: --
86cbf87e8d90d38518fd7742138e5fabada24ef9381839c555d5939e461696e0

Transaction

Hash: 86cbf87e8d90d38518fd7742138e5fabada24ef9381839c555d5939e461696e0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 86cbf87e8d90d38518fd7742138e5fabada24ef9381839c555d5939e461696e0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
86cbf87e8d90d38518fd7742138e5fabada24ef9381839c555d5939e461696e0
Status:
ERROR
Block height:
40085066
Block id:
7dd6e8ec1193521cf7007ff0394fad946851f80bd355c18b1e08d444fb053dfe
Timestamp:
Tuesday 1 November 2022 at 03:50:53 UTC
()
Proposer:
Authorizers:
Gas used:
47