Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9fa1eeceaf68dfe987df19d6b8c0b9d8045d421f9c9c9976aa3fa5e11410cefb:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^