Flow price: --
f98831040e6089489668db6cb63a48dde6c2bc146f1a2b3a280d60beda1050f6

Transaction

Hash: f98831040e6089489668db6cb63a48dde6c2bc146f1a2b3a280d60beda1050f6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f98831040e6089489668db6cb63a48dde6c2bc146f1a2b3a280d60beda1050f6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f98831040e6089489668db6cb63a48dde6c2bc146f1a2b3a280d60beda1050f6
Status:
ERROR
Block height:
39998783
Block id:
23e1ceab7e9c115bf6f510f6f81c47e1424dec1afda6f01f96489237c4a69480
Timestamp:
Sunday 30 October 2022 at 17:16:42 UTC
()
Proposer:
Authorizers:
Gas used:
49