Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a96542ff443d9148ab308ea9b6da340c253211cead604ed993db87951789f168:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^