Flow price: --
f8e3753697cc24c4adaa11543186fc370e5967d58d041c311eea05f69c7bfd90

Transaction

Hash: f8e3753697cc24c4adaa11543186fc370e5967d58d041c311eea05f69c7bfd90
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f8e3753697cc24c4adaa11543186fc370e5967d58d041c311eea05f69c7bfd90:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f8e3753697cc24c4adaa11543186fc370e5967d58d041c311eea05f69c7bfd90
Status:
ERROR
Block height:
40027376
Block id:
adbb7da576cc63014f6ebd537b7626db7d3c87a97760f07532291d957dd797e0
Timestamp:
Monday 31 October 2022 at 04:39:22 UTC
()
Proposer:
Authorizers:
Gas used:
47