Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2db672b30abefb6f49cb0401dfa3f4bb0783e49da09efef712824bbf5a2c68b6:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^