Flow price: --
a2c04b8bd184e766921140afa6c4b7fc7a95960058e57f46b8e068bb9f90dd2d

Transaction

Hash: a2c04b8bd184e766921140afa6c4b7fc7a95960058e57f46b8e068bb9f90dd2d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a2c04b8bd184e766921140afa6c4b7fc7a95960058e57f46b8e068bb9f90dd2d: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:
a2c04b8bd184e766921140afa6c4b7fc7a95960058e57f46b8e068bb9f90dd2d
Status:
ERROR
Block height:
39953314
Block id:
deb9861ac9532bbb0393e9b24ea0951bb5a704b9c7957d81d894c48e2c1878cf
Timestamp:
Saturday 29 October 2022 at 23:07:31 UTC
()
Proposer:
Authorizers:
Gas used:
58