Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0dcd365cf597e759b5b74d362c348821fe45c70f15da01cfe4c8ec0ae237332d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^