Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 563de44e5b60ee5bec84ca7a8e94f296069101a4ebab0a3de6dacb9cb13cf27b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^