Flow price: --
180f95c09dca105c6a0f6396eb8abf8fd71fbf958a75b7e73658a82c66d3bab7

Transaction

Hash: 180f95c09dca105c6a0f6396eb8abf8fd71fbf958a75b7e73658a82c66d3bab7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 180f95c09dca105c6a0f6396eb8abf8fd71fbf958a75b7e73658a82c66d3bab7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
180f95c09dca105c6a0f6396eb8abf8fd71fbf958a75b7e73658a82c66d3bab7
Status:
ERROR
Block height:
40166693
Block id:
3ec196fe041c3db4a289f27b78ded07b8f4326d4cdf03c592f65671c2b0add2f
Timestamp:
Wednesday 2 November 2022 at 13:00:14 UTC
()
Proposer:
Authorizers:
Gas used:
47