Flow price: --
ad2458456e7895f1b70aa975dc851cfd348eeb19616a74a9b284234b12d8ae03

Transaction

Hash: ad2458456e7895f1b70aa975dc851cfd348eeb19616a74a9b284234b12d8ae03
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ad2458456e7895f1b70aa975dc851cfd348eeb19616a74a9b284234b12d8ae03:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ad2458456e7895f1b70aa975dc851cfd348eeb19616a74a9b284234b12d8ae03
Status:
ERROR
Block height:
39987051
Block id:
4ced7f0f2bef1febed6bca2d41103524180d9f5a917d7fc02e3781c954ba4678
Timestamp:
Sunday 30 October 2022 at 12:34:47 UTC
()
Proposer:
Authorizers:
Gas used:
53