Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 91bb2c5e045fca27593095e0dc9be89a992484f2142a791e66649806ac4bec36:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^