Flow price: --
17ca7d3b5f2bd95dd5d968773f0bd9a704ca5a0b9b92a2c003ad9a9f68bfcc7b

Transaction

Hash: 17ca7d3b5f2bd95dd5d968773f0bd9a704ca5a0b9b92a2c003ad9a9f68bfcc7b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 17ca7d3b5f2bd95dd5d968773f0bd9a704ca5a0b9b92a2c003ad9a9f68bfcc7b: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:
17ca7d3b5f2bd95dd5d968773f0bd9a704ca5a0b9b92a2c003ad9a9f68bfcc7b
Status:
ERROR
Block height:
39966377
Block id:
bdcc98892458c63f1cb647a6275d39da27bf339404a90e42d580e566548e081e
Timestamp:
Sunday 30 October 2022 at 04:18:39 UTC
()
Proposer:
Authorizers:
Gas used:
46