Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e8e941909fa4be74b51651afb101da8e6aeaaea47608173e395b228cb0fa3968:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^