Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c773cc80f599cdcf93fedcf7a4e9af03f42751193e64c9ca7d15946d890311fe:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^