Flow price: --
b48cc83e8dbb36350197c3a70a407fe89b2ee0fdfb8e1f9aff6e95aba4091980

Transaction

Hash: b48cc83e8dbb36350197c3a70a407fe89b2ee0fdfb8e1f9aff6e95aba4091980
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b48cc83e8dbb36350197c3a70a407fe89b2ee0fdfb8e1f9aff6e95aba4091980:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b48cc83e8dbb36350197c3a70a407fe89b2ee0fdfb8e1f9aff6e95aba4091980
Status:
ERROR
Block height:
39981542
Block id:
11472f7133637f0977234a7ce14aaf2668485a80763d5acabebaae3ed9a89f2f
Timestamp:
Sunday 30 October 2022 at 10:22:10 UTC
()
Proposer:
Authorizers:
Gas used:
49