Flow price: --
d77c3b5271139f533f009f05de4832f2bc47b2c3d525953a449c7b9026d5d571

Transaction

Hash: d77c3b5271139f533f009f05de4832f2bc47b2c3d525953a449c7b9026d5d571
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d77c3b5271139f533f009f05de4832f2bc47b2c3d525953a449c7b9026d5d571:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d77c3b5271139f533f009f05de4832f2bc47b2c3d525953a449c7b9026d5d571
Status:
ERROR
Block height:
39995141
Block id:
6e371a4d41350172cc608359986ea22a88b00bae2050957e42d032faefc9ca33
Timestamp:
Sunday 30 October 2022 at 15:49:07 UTC
()
Proposer:
Authorizers:
Gas used:
50