Flow price: --
c3148f6739b4279360b77b9373fc5024e65ee66414945aa926e8c918f33d3489

Transaction

Hash: c3148f6739b4279360b77b9373fc5024e65ee66414945aa926e8c918f33d3489
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c3148f6739b4279360b77b9373fc5024e65ee66414945aa926e8c918f33d3489:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c3148f6739b4279360b77b9373fc5024e65ee66414945aa926e8c918f33d3489
Status:
ERROR
Block height:
39974875
Block id:
3e3441d7f049d3a340427f42eda94b5ebcac70f34bb29127a118d6d8842a0207
Timestamp:
Sunday 30 October 2022 at 07:43:12 UTC
()
Proposer:
Authorizers:
Gas used:
51