Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e0c94a6204e6d7d0aec3dc4eaf21994e13571adc20007a9585de5d58307f2bd6:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^