Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 153ced7e0d67798069b44bcb0070ce54a8d5ad2431a73f1ca4b641f0503c8e04:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^