Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ac0b0c31011d2411bf575c29458ec68bca6fa4d4cd22fb8d565821ac0bd5c21d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^