Hi. Iam getting the  Following Alerts. Mentioned Below. I have Actually created picklist Named Client and Vendor. When we select Vendor the Record should be submitted for approval which I have done using Process Builder. This Process is On Production now, but I see that Iam getting the following  Alerts on my Email Id. I dont understand What is the meaning of this Interview. Can you Please help me?

Error element myRule_1_A1 (FlowActionCall).
This record is currently in an approval process. A record can be in only one approval process at a time. This report lists the elements that the flow interview executed. The report is a beta feature.
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Flow Details
Flow Name: vendor_approval_process_call
Type: Workflow
Version: 3
Status: Active
Flow Interview Details
Interview Label: vendor_approval_process_call-3_InterviewLabel
Current User: Suleman Shaikh (005280000042Nkr)
Start time: 20/1/2018 8:33 PM
Duration: 0 seconds
How the Interview Started
Suleman Shaikh (005280000042Nkr) started the flow interview.
Some of this flow's variables were set when the interview started.
myVariable_old = 0012800000ubCtZAAU
myVariable_current = 0012800000ubCtZAAU
ASSIGNMENT: myVariable_waitStartTimeAssignment
{!myVariable_waitStartTimeVariable} Equals {!Flow.CurrentDateTime}
Result
{!myVariable_waitStartTimeVariable} = "20/1/2018 8:33 PM"
DECISION: myDecision
Executed this outcome: myRule_1
Outcome conditions: and
1. {!myVariable_current.Type__c} (Vendor) Equals Vendor
Logic: All conditions must be true (AND)
SUBMIT FOR APPROVAL: myRule_1_A1
Inputs:
objectId = {!myVariable_current.Id} (0012800000ubCtZAAU)
comment = null
processDefinitionNameOrId = Vendor_Approval_Process
skipEntryCriteria = false Error Occurred: This record is currently in an approval process. A record can be in only one approval process at a time. Salesforce Error ID: 800893730-25917 (-670314786)