Flow price: --
497d9848000af2253a792adca29e5a809f8724ba9ba6b8d288c30d974a800259

Transaction

Hash: 497d9848000af2253a792adca29e5a809f8724ba9ba6b8d288c30d974a800259
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 497d9848000af2253a792adca29e5a809f8724ba9ba6b8d288c30d974a800259:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
497d9848000af2253a792adca29e5a809f8724ba9ba6b8d288c30d974a800259
Status:
ERROR
Block height:
40029455
Block id:
e2019dc3b693ca9819c3f59d204c1b6793c831f07914be6ce83cf128e3543950
Timestamp:
Monday 31 October 2022 at 05:30:14 UTC
()
Proposer:
Authorizers:
Gas used:
46