Flow price: --
b22e30ab65a15c5d986b10cb6bb085fb996fb6a701ee89b4768208ae41f89608

Transaction

Hash: b22e30ab65a15c5d986b10cb6bb085fb996fb6a701ee89b4768208ae41f89608
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b22e30ab65a15c5d986b10cb6bb085fb996fb6a701ee89b4768208ae41f89608:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b22e30ab65a15c5d986b10cb6bb085fb996fb6a701ee89b4768208ae41f89608
Status:
ERROR
Block height:
39961433
Block id:
a3130d90ce8f612f334b203384787330fb8a3100fafb574593f0a4f6811dd8de
Timestamp:
Sunday 30 October 2022 at 02:20:13 UTC
()
Proposer:
Authorizers:
Gas used:
50