Flow price: --
c0486433ad2eacb9a7a8b7052360036e247910d57e457c899ed4ea80098dcbda

Transaction

Hash: c0486433ad2eacb9a7a8b7052360036e247910d57e457c899ed4ea80098dcbda
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c0486433ad2eacb9a7a8b7052360036e247910d57e457c899ed4ea80098dcbda: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:
c0486433ad2eacb9a7a8b7052360036e247910d57e457c899ed4ea80098dcbda
Status:
ERROR
Block height:
40160308
Block id:
a1371ffcf3698d753fa17425b1ad3d7f56ed9001c284a8fd6198e2629bfe7cb0
Timestamp:
Wednesday 2 November 2022 at 10:26:06 UTC
()
Proposer:
Authorizers:
Gas used:
46