Flow price: --
af40662ccf2150a52fe5472dfe8360ac86f925b163c1dc06259fc3fbb3fcacf7

Transaction

Hash: af40662ccf2150a52fe5472dfe8360ac86f925b163c1dc06259fc3fbb3fcacf7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> af40662ccf2150a52fe5472dfe8360ac86f925b163c1dc06259fc3fbb3fcacf7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
af40662ccf2150a52fe5472dfe8360ac86f925b163c1dc06259fc3fbb3fcacf7
Status:
ERROR
Block height:
40021763
Block id:
a251ccc483338d842a2408c1e91d51f028c0e1589d66db5a3f7599ab7cb5641e
Timestamp:
Monday 31 October 2022 at 02:24:36 UTC
()
Proposer:
Authorizers:
Gas used:
46