Flow price: --
6a978dd813bd6288e1d3fafadac622f88f939cac804a4c9134de6a7e4246bca2

Transaction

Hash: 6a978dd813bd6288e1d3fafadac622f88f939cac804a4c9134de6a7e4246bca2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6a978dd813bd6288e1d3fafadac622f88f939cac804a4c9134de6a7e4246bca2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6a978dd813bd6288e1d3fafadac622f88f939cac804a4c9134de6a7e4246bca2
Status:
ERROR
Block height:
40143725
Block id:
f8f5136accb579d7cf92e12b508e1abcb126358e7adbfa54be9d52920a034910
Timestamp:
Wednesday 2 November 2022 at 03:41:03 UTC
()
Proposer:
Authorizers:
Gas used:
47