Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 15db9c5ba13621fde22fe74ad950138899f5549d0d8f46f006d4d6cbec96d1f8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^