Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 470729e537ac1721f6e720fef0286133f3ff11f2186f0ffd040b27d1dbd3c064:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^