coderbradlee
diff --git a/‎api/api.go
+3 b/‎api/api.go
+3
@@ -1229,6 +1229,9 @@ func (api *Server) getGravityChainStartHeight(epochHeight uint64) (uint64, error
 		if err != nil {
 			return 0, err
 		}
+		if len(data) == 0 {
+			return 0, nil
+		}
 		if gravityChainStartHeight, err = strconv.ParseUint(string(data), 10, 64); err != nil {
 			return 0, err
 		}
Original file line number	Diff line number	Diff line change
`@@ -1229,6 +1229,9 @@ func (api *Server) getGravityChainStartHeight(epochHeight uint64) (uint64, error`
`1229`	`1229`	`if err != nil {`
`1230`	`1230`	`return 0, err`
`1231`	`1231`	`}`
	`1232`	`+ if len(data) == 0 {`
	`1233`	`+ return 0, nil`
	`1234`	`+ }`
`1232`	`1235`	`if gravityChainStartHeight, err = strconv.ParseUint(string(data), 10, 64); err != nil {`
`1233`	`1236`	`return 0, err`
`1234`	`1237`	`}`