Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2d89785f24f9eb5d56ccd62f1ba729f89762d38ca31e7659d173fd3453c34ab2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^