In this blog, How to Avoid error warning message unit must be string with minimum length of 3 or maximum length of 8 while submitting E- invoice in fresa application.
Step 1: When we submit the E-invoice, System will show the below warning message as a response. This is due to unit wrongly entered in costing details.
Fig 1

Step 2: Login to Fresa Application and select the respective Job.

Fig 2
Step 3: In Job Page select the costing page.
Fig 3
Step 4: And check the Unit entered in costing page.
Fig 4
Note : By using this link to check the Unit
Step 6: Navigate to the Rate Basis Menu
Fig 6
Step 7: Select the respective Unit and click edit button.
Fig 7
Step 8: And enter the Rate in 3 digits and click the save changes.
Fig 8
Step 9: Now correct the Unit for the respective charge and click save button.
Fig 9
Step 10: After making the changes we will able to submit the E-invoice.
Fig 10
The above blog post explains How to Avoid error warning message Unit must be string with minimum length of 3 or maximum length of 8 while submitting E- invoice in Fresa Application.
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