Flow price: --
b0da54386d936b523f4de07895dec32e340f97a2d16a13f9ff1ac7f1ccee8429

Transaction

Hash: b0da54386d936b523f4de07895dec32e340f97a2d16a13f9ff1ac7f1ccee8429
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b0da54386d936b523f4de07895dec32e340f97a2d16a13f9ff1ac7f1ccee8429:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b0da54386d936b523f4de07895dec32e340f97a2d16a13f9ff1ac7f1ccee8429
Status:
ERROR
Block height:
40117177
Block id:
e229420bbee47df55678f5555b9d78213bed8a6d604dab83fbc4401b7f3c4591
Timestamp:
Tuesday 1 November 2022 at 16:52:34 UTC
()
Proposer:
Authorizers:
Gas used:
49