Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ba77fe0117b5386c27b23ba59d54aaea8264c9b07bbc3b52586d7f4bdcef812b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^