Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 74c04486f127cb08e0cb63a0e7e18f36d1acc7ace299585bdd8ec9e40cda771f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^