Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c4522b6d6dc0b4ca633f4d139419f6d4cbca54f88bf71a8673d19258d9711b40:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^