Flow price: --
a130186dc263cd68f902368b77fc54076810f55293990c6958adb2c31a76fe00

Transaction

Hash: a130186dc263cd68f902368b77fc54076810f55293990c6958adb2c31a76fe00
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a130186dc263cd68f902368b77fc54076810f55293990c6958adb2c31a76fe00:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a130186dc263cd68f902368b77fc54076810f55293990c6958adb2c31a76fe00
Status:
ERROR
Block height:
40042054
Block id:
a44e19b4cdf5ce0cce5003d17f4017465a7a4e6164eb16576b4d650c3b7e20f4
Timestamp:
Monday 31 October 2022 at 10:33:59 UTC
()
Proposer:
Authorizers:
Gas used:
50