Flow price: --
b89034854271e3c8853f54ed41f667b4a6a257e78610dcda1e601a63fba37914

Transaction

Hash: b89034854271e3c8853f54ed41f667b4a6a257e78610dcda1e601a63fba37914
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b89034854271e3c8853f54ed41f667b4a6a257e78610dcda1e601a63fba37914:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b89034854271e3c8853f54ed41f667b4a6a257e78610dcda1e601a63fba37914
Status:
ERROR
Block height:
40015839
Block id:
ecc0f679e6750194f287bf498cee043a76c55ec24340861b4c67871c4cc91994
Timestamp:
Monday 31 October 2022 at 00:02:56 UTC
()
Proposer:
Authorizers:
Gas used:
46