Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a4c935beda9e948bae899965f68613967837902106fcd17319a7de0a68f05d5b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^