Flow price: --
1b26e4844348576081589bccf5a8b31ad5b8667ac92da7a599e84140a3973e47

Transaction

Hash: 1b26e4844348576081589bccf5a8b31ad5b8667ac92da7a599e84140a3973e47
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1b26e4844348576081589bccf5a8b31ad5b8667ac92da7a599e84140a3973e47:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1b26e4844348576081589bccf5a8b31ad5b8667ac92da7a599e84140a3973e47
Status:
ERROR
Block height:
40148443
Block id:
dfc60314719844b18d1cb0d41b8a525796ddb851327529c8f966df5b676a6189
Timestamp:
Wednesday 2 November 2022 at 05:36:06 UTC
()
Proposer:
Authorizers:
Gas used:
47