Flow price: --
a20b7bc66b1268dd7eb0fd0d6c1f76da354cd4102b97c7fa23623dba1cad8ce3

Transaction

Hash: a20b7bc66b1268dd7eb0fd0d6c1f76da354cd4102b97c7fa23623dba1cad8ce3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a20b7bc66b1268dd7eb0fd0d6c1f76da354cd4102b97c7fa23623dba1cad8ce3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a20b7bc66b1268dd7eb0fd0d6c1f76da354cd4102b97c7fa23623dba1cad8ce3
Status:
ERROR
Block height:
39916254
Block id:
60fe16ebc9849d65f7bd0a6c49d422f7d631916052d72f4b9f482ca3236700bf
Timestamp:
Saturday 29 October 2022 at 08:16:25 UTC
()
Proposer:
Authorizers:
Gas used:
48