Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f8205b3d8c27705775038130e056d913a767c1bbbba26d5de00324fbee9767f1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^