Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c0c1b134977721b684f6c7c672480e4991295ecac9feda63d33922402ed519c9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^