Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 42552fbc21f2079656a512c91d16d2cad39e4c94cfa3a893a0bad771b73e6a3d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^