Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4640b7aa75651e2c18e21700b9cdfafa86b02949cfb9336a262de547eddcfb57:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^