Flow price: --
dfc645fa528c6dc1851cb98b5644f4fa3fb7bd6b220b9c793d8aec881254cb02

Transaction

Hash: dfc645fa528c6dc1851cb98b5644f4fa3fb7bd6b220b9c793d8aec881254cb02
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dfc645fa528c6dc1851cb98b5644f4fa3fb7bd6b220b9c793d8aec881254cb02:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dfc645fa528c6dc1851cb98b5644f4fa3fb7bd6b220b9c793d8aec881254cb02
Status:
ERROR
Block height:
39916992
Block id:
0f8b23992c3ab0d236c1d4f6320a8c507dc48bc6dc4b2934f70ee6ae832a988e
Timestamp:
Saturday 29 October 2022 at 08:34:21 UTC
()
Proposer:
Authorizers:
Gas used:
47