Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fcd91fcc61f82a3f375fc82d6ae937248931080f3e4b3e6cfcf53636c11f8d82:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^