Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e601c15b685005e97595133b388256a7986312aab104160c9594f1921f4cbf7e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^