Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6b5522791529f9eee8053cbc2efe3e5a7b3c4e9570b24cc45fda99e1c1c6be11:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^