Flow price: --
84e358a5d2ea325d157781518b7a9fce764a71fc692cece673e9c9344aa13f06

Transaction

Hash: 84e358a5d2ea325d157781518b7a9fce764a71fc692cece673e9c9344aa13f06
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 84e358a5d2ea325d157781518b7a9fce764a71fc692cece673e9c9344aa13f06:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
84e358a5d2ea325d157781518b7a9fce764a71fc692cece673e9c9344aa13f06
Status:
ERROR
Block height:
40122294
Block id:
bea4bd5a1ce61c5cbba720b702844ec15fc536d3e4533dfd24262fce48bbf601
Timestamp:
Tuesday 1 November 2022 at 18:56:45 UTC
()
Proposer:
Authorizers:
Gas used:
47