Flow price: --
3f7627fb8b91f1e4b56f24bb1057ea6a2f7a730174a39d625040b672948c19c3

Transaction

Hash: 3f7627fb8b91f1e4b56f24bb1057ea6a2f7a730174a39d625040b672948c19c3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3f7627fb8b91f1e4b56f24bb1057ea6a2f7a730174a39d625040b672948c19c3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3f7627fb8b91f1e4b56f24bb1057ea6a2f7a730174a39d625040b672948c19c3
Status:
ERROR
Block height:
39940445
Block id:
8ddb816b62759019744c52d0283786278dece5c19557d5ce6e00430579a8fbdf
Timestamp:
Saturday 29 October 2022 at 18:02:37 UTC
()
Proposer:
Authorizers:
Gas used:
46