Flow price: --
4ddb983fa1ef2e0f9937fce416d71cdf3013245d7122fa45d378827e8c09a444

Transaction

Hash: 4ddb983fa1ef2e0f9937fce416d71cdf3013245d7122fa45d378827e8c09a444
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4ddb983fa1ef2e0f9937fce416d71cdf3013245d7122fa45d378827e8c09a444:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4ddb983fa1ef2e0f9937fce416d71cdf3013245d7122fa45d378827e8c09a444
Status:
ERROR
Block height:
39867653
Block id:
4bff6a101a37c34ee13b11d3b24d6b8aa26be0bcbfc69c56f1cf8caddbc901db
Timestamp:
Friday 28 October 2022 at 12:53:17 UTC
()
Proposer:
Authorizers:
Gas used:
48