Flow price: --
df393eb8db1a1125a7c982ab409496efcdcafc51b87e2d41fda5a5268a240ec2

Transaction

Hash: df393eb8db1a1125a7c982ab409496efcdcafc51b87e2d41fda5a5268a240ec2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> df393eb8db1a1125a7c982ab409496efcdcafc51b87e2d41fda5a5268a240ec2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
df393eb8db1a1125a7c982ab409496efcdcafc51b87e2d41fda5a5268a240ec2
Status:
ERROR
Block height:
39840034
Block id:
c178bc8adc279d3e86f803a0247d024a68d92ec2900dd95094133d195763093a
Timestamp:
Friday 28 October 2022 at 01:45:25 UTC
()
Proposer:
Authorizers:
Gas used:
49