Flow price: --
ae71e100de7d90dc8038e3b0c659a86a65c5dbeb21caf2976946d7dead73e902

Transaction

Hash: ae71e100de7d90dc8038e3b0c659a86a65c5dbeb21caf2976946d7dead73e902
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ae71e100de7d90dc8038e3b0c659a86a65c5dbeb21caf2976946d7dead73e902:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ae71e100de7d90dc8038e3b0c659a86a65c5dbeb21caf2976946d7dead73e902
Status:
ERROR
Block height:
39978325
Block id:
85e65aa2e81a0a3ac9f4ddb9b8bce7084d7de4032a982b16c3d6ec92d65e5b34
Timestamp:
Sunday 30 October 2022 at 09:05:33 UTC
()
Proposer:
Authorizers:
Gas used:
46