Flow price: --
cbccc7abddd643fd495907234e55063f70c30d7a1c3979d6be64a7ecef974485

Transaction

Hash: cbccc7abddd643fd495907234e55063f70c30d7a1c3979d6be64a7ecef974485
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cbccc7abddd643fd495907234e55063f70c30d7a1c3979d6be64a7ecef974485:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cbccc7abddd643fd495907234e55063f70c30d7a1c3979d6be64a7ecef974485
Status:
ERROR
Block height:
39907102
Block id:
367fa7417e923bdf95a3807394fcd0f67f7c2efc9d73888410350ab49293bb6d
Timestamp:
Saturday 29 October 2022 at 04:36:36 UTC
()
Proposer:
Authorizers:
Gas used:
46