Flow price: --
b1a8ee25e612913d771bf0dfd917ea8445fda95fdb1eb40951f1f81ccb62dee6

Transaction

Hash: b1a8ee25e612913d771bf0dfd917ea8445fda95fdb1eb40951f1f81ccb62dee6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b1a8ee25e612913d771bf0dfd917ea8445fda95fdb1eb40951f1f81ccb62dee6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b1a8ee25e612913d771bf0dfd917ea8445fda95fdb1eb40951f1f81ccb62dee6
Status:
ERROR
Block height:
39928260
Block id:
d244b7167581b1f1f2d42136e0549bf2a74de3ff9ed30e4455520126d23c0f67
Timestamp:
Saturday 29 October 2022 at 13:07:04 UTC
()
Proposer:
Authorizers:
Gas used:
46