Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 64bdebf032be41ab20c5a3c27202e888ebfcb24f8ee1e8f846ef2657bf40ea9b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^