Flow price: --
a51aa391503f36e7fe5c7946712e3543a929e76b983fa05183be4921b596e14f

Transaction

Hash: a51aa391503f36e7fe5c7946712e3543a929e76b983fa05183be4921b596e14f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a51aa391503f36e7fe5c7946712e3543a929e76b983fa05183be4921b596e14f: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:
a51aa391503f36e7fe5c7946712e3543a929e76b983fa05183be4921b596e14f
Status:
ERROR
Block height:
39851904
Block id:
27a6b2e35db42334d03ab4bbdad41aaf0dca09c491667f341cd492e1f36e011a
Timestamp:
Friday 28 October 2022 at 06:32:03 UTC
()
Proposer:
Authorizers:
Gas used:
49