Flow price: --
cb255cf7caa91d31c84f030cf374e2baeb96db459c54b196257ff63f7ab99389

Transaction

Hash: cb255cf7caa91d31c84f030cf374e2baeb96db459c54b196257ff63f7ab99389
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cb255cf7caa91d31c84f030cf374e2baeb96db459c54b196257ff63f7ab99389:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cb255cf7caa91d31c84f030cf374e2baeb96db459c54b196257ff63f7ab99389
Status:
ERROR
Block height:
40052550
Block id:
7b1876877043a479a485f83030ec70263f4f6cd2d25132339c0e3f93a63d2dfe
Timestamp:
Monday 31 October 2022 at 14:47:59 UTC
()
Proposer:
Authorizers:
Gas used:
46