Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4920852db735bc20b81d8afdb7631d0020dc8b92b981a86f155a959eca1293ae:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^