Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d35201c99821d618ff28cc0cf8e04905efcdd695fc3cfe919ede5ae41a68f1ce:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^