Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f7eae9bb21d743649afa1b52967da0bcfec4b42583a54acf87cad82f14dcf90b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^