Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5b4ad07dfe3da4977267a07e50f6f9ad4b8f517eeb5c1710b7cb4fa6f0fd4d3b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^