Flow price: --
b87da4d81521c1942e545a7c93d61776ba5ee6d9b40c2b6c8048d9aceec5b1dd

Transaction

Hash: b87da4d81521c1942e545a7c93d61776ba5ee6d9b40c2b6c8048d9aceec5b1dd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> b87da4d81521c1942e545a7c93d61776ba5ee6d9b40c2b6c8048d9aceec5b1dd:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
b87da4d81521c1942e545a7c93d61776ba5ee6d9b40c2b6c8048d9aceec5b1dd
Status:
ERROR
Block height:
41477884
Block id:
3cbd91023a12f666eda268cdc10ab2ec6ffa1dc6eb5ecbb186503fb8280ab865
Timestamp:
Thursday 24 November 2022 at 04:58:48 UTC
()
Proposer:
Authorizers:
Gas used:
25