Flow price: --
6bb440d807e7101ec16f495c4275513fd1527862b82c65e7a153292a98794bd2

Transaction

Hash: 6bb440d807e7101ec16f495c4275513fd1527862b82c65e7a153292a98794bd2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6bb440d807e7101ec16f495c4275513fd1527862b82c65e7a153292a98794bd2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6bb440d807e7101ec16f495c4275513fd1527862b82c65e7a153292a98794bd2
Status:
ERROR
Block height:
40167798
Block id:
c0b1a8a3cf350289ee78e92cd7ce89536210eb562aa15b1d4e0f6d59cdf566a5
Timestamp:
Wednesday 2 November 2022 at 13:27:07 UTC
()
Proposer:
Authorizers:
Gas used:
50