Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bc531cc4d9a73537aad139590acc59890af6213d511a2056b167ea7be64d3186:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^