Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 488885e0b005e7e4d59a2a1bb3d607a03f505f3081b4d26e7d77e06aa7cba51b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^