Flow price: --
512e3f33a362e654759856f3bedb4d1eab10da9ba7e814c89168264869dfbea6

Transaction

Hash: 512e3f33a362e654759856f3bedb4d1eab10da9ba7e814c89168264869dfbea6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 512e3f33a362e654759856f3bedb4d1eab10da9ba7e814c89168264869dfbea6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
512e3f33a362e654759856f3bedb4d1eab10da9ba7e814c89168264869dfbea6
Status:
ERROR
Block height:
40093578
Block id:
033bf4b6dd4969fe2ceff3cd33fa677a92886ff1b59fd37a958ffac1c547124f
Timestamp:
Tuesday 1 November 2022 at 07:19:02 UTC
()
Proposer:
Authorizers:
Gas used:
45