Flow price: --
12ec392107b3ebd400becfca4ea4d3371160e6205ef7f79e9aaff766595d01cd

Transaction

Hash: 12ec392107b3ebd400becfca4ea4d3371160e6205ef7f79e9aaff766595d01cd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 12ec392107b3ebd400becfca4ea4d3371160e6205ef7f79e9aaff766595d01cd: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:
12ec392107b3ebd400becfca4ea4d3371160e6205ef7f79e9aaff766595d01cd
Status:
ERROR
Block height:
39841028
Block id:
52e68d46c1f0b9d465fcf40ead0813add875cdf57d2d268acb11cd1d8390e880
Timestamp:
Friday 28 October 2022 at 02:09:46 UTC
()
Proposer:
Authorizers:
Gas used:
46