Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b538d5543127dc5aa0af7ecc7761e9f6d66392efe81eebf9b388bfb0a70fd209:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^