Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 79c11cd9cd67844ea2679ac8600a8eb224605bb4723480e92bb402a86ce9f3f8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^