Flow price: --
34b6fff220efe89848ac6fc73da4d4a740912ab7ea1a4861984df4b14ab66530

Transaction

Hash: 34b6fff220efe89848ac6fc73da4d4a740912ab7ea1a4861984df4b14ab66530
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 34b6fff220efe89848ac6fc73da4d4a740912ab7ea1a4861984df4b14ab66530:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
34b6fff220efe89848ac6fc73da4d4a740912ab7ea1a4861984df4b14ab66530
Status:
ERROR
Block height:
39855709
Block id:
c251e470596613cb99ed43dc973c5ff6d01c8f87cbeb8cf6a37cdd198943eeb9
Timestamp:
Friday 28 October 2022 at 08:05:40 UTC
()
Proposer:
Authorizers:
Gas used:
46