Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2ac7b4aac6a189d30e2e105b4fbd8e14398c7aec139bea859601f242bb1beeaf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^