Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aba26829217696f2811d665264c7e1efb728f24778eaca9cb3c55252cf0e08b5:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^