Flow price: --
635997d0f2c00033536624798bfbf1716a54efa21ae1f0e3222be8c151322be9

Transaction

Hash: 635997d0f2c00033536624798bfbf1716a54efa21ae1f0e3222be8c151322be9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 635997d0f2c00033536624798bfbf1716a54efa21ae1f0e3222be8c151322be9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
635997d0f2c00033536624798bfbf1716a54efa21ae1f0e3222be8c151322be9
Status:
ERROR
Block height:
39993166
Block id:
660b4e39a955056ba59728681e41312739a2a5ecd947edb60e8ef0e3a5c8beb2
Timestamp:
Sunday 30 October 2022 at 15:01:31 UTC
()
Proposer:
Authorizers:
Gas used:
46