Flow price: --
80b0152355c7f336d87c07fa276b79f7d3af750a5605ff0fe8b43c389cdc8421

Transaction

Hash: 80b0152355c7f336d87c07fa276b79f7d3af750a5605ff0fe8b43c389cdc8421
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 80b0152355c7f336d87c07fa276b79f7d3af750a5605ff0fe8b43c389cdc8421:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
80b0152355c7f336d87c07fa276b79f7d3af750a5605ff0fe8b43c389cdc8421
Status:
ERROR
Block height:
39861982
Block id:
2af8c4a316910cfeb5ee0e02302533433ea3358f794cb50ac1cbec39a756926d
Timestamp:
Friday 28 October 2022 at 10:36:41 UTC
()
Proposer:
Authorizers:
Gas used:
49