Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 92a9ec42f0fd8d4f04f026084b5b1ae1b2ccf747a40673acdb43087092c620cd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^