Flow price: --
69caea11347be117960ff70dba17b1689ba98e9f0f2b0f9a8119fffa6dd11e61

Transaction

Hash: 69caea11347be117960ff70dba17b1689ba98e9f0f2b0f9a8119fffa6dd11e61
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 69caea11347be117960ff70dba17b1689ba98e9f0f2b0f9a8119fffa6dd11e61:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
69caea11347be117960ff70dba17b1689ba98e9f0f2b0f9a8119fffa6dd11e61
Status:
ERROR
Block height:
40168033
Block id:
ac0d4868688c2d96674afdc12604ed25d950885f69ddbef85aa42f0e3cc075a0
Timestamp:
Wednesday 2 November 2022 at 13:32:53 UTC
()
Proposer:
Authorizers:
Gas used:
50