Flow price: --
3084ec1b9960fbfc2bec9967ae90be41fea1d6f22ee094bcbdb4e15743ce2675

Transaction

Hash: 3084ec1b9960fbfc2bec9967ae90be41fea1d6f22ee094bcbdb4e15743ce2675
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3084ec1b9960fbfc2bec9967ae90be41fea1d6f22ee094bcbdb4e15743ce2675:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3084ec1b9960fbfc2bec9967ae90be41fea1d6f22ee094bcbdb4e15743ce2675
Status:
ERROR
Block height:
39990167
Block id:
307bd639a20dd246f185f481aacef7d02b7053bf35d00abe72cf5f9af835ae31
Timestamp:
Sunday 30 October 2022 at 13:49:47 UTC
()
Proposer:
Authorizers:
Gas used:
47