Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f92ec536b31670b8c8d2c179ec3d64eb218f9a2fbbde4b000cf98c3679847557:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^