Flow price: --
deb1ab4e8feda65f721a07a77716413dc71e98f3e443e662e5c6611158c6426d

Transaction

Hash: deb1ab4e8feda65f721a07a77716413dc71e98f3e443e662e5c6611158c6426d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> deb1ab4e8feda65f721a07a77716413dc71e98f3e443e662e5c6611158c6426d: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:
deb1ab4e8feda65f721a07a77716413dc71e98f3e443e662e5c6611158c6426d
Status:
ERROR
Block height:
40101033
Block id:
e01ea13ab8c691955136fe1506de99c5a4560910d91617716df5c7f5bf0667d5
Timestamp:
Tuesday 1 November 2022 at 10:20:09 UTC
()
Proposer:
Authorizers:
Gas used:
49