Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c2ff3c7a2c20aff7f62b87d06709fe741af320c9c23cd0a0f00086faff12d8bc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^