Flow price: --
38c43b747b06ac63818938a8e2d9c8e80e52c28e302cb568d9a7bea043e149c2

Transaction

Hash: 38c43b747b06ac63818938a8e2d9c8e80e52c28e302cb568d9a7bea043e149c2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 38c43b747b06ac63818938a8e2d9c8e80e52c28e302cb568d9a7bea043e149c2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
38c43b747b06ac63818938a8e2d9c8e80e52c28e302cb568d9a7bea043e149c2
Status:
ERROR
Block height:
40135904
Block id:
916a252aa373401f14a02ecccfa384745bfd5c5c11f543623655be7c2ee8e978
Timestamp:
Wednesday 2 November 2022 at 00:31:21 UTC
()
Proposer:
Authorizers:
Gas used:
49