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Fri, 19 Feb 2021 15:42:51 +0000 Received: from VI1PR0102MB3327.eurprd01.prod.exchangelabs.com ([fe80::11d6:7bc5:2efa:f5b7]) by VI1PR0102MB3327.eurprd01.prod.exchangelabs.com ([fe80::11d6:7bc5:2efa:f5b7%6]) with mapi id 15.20.3868.027; Fri, 19 Feb 2021 15:42:51 +0000 From: Eric S Fraga To: Colin Baxter Subject: Re: wrong-type-argument stringp nil Organization: On the Interweb somewhere References: <87blcgkuzv.fsf@yandex.com> X-Url: http://www.ucl.ac.uk/~ucecesf/ Mail-Followup-To: Colin Baxter , emacs-orgmode@gnu.org Date: Fri, 19 Feb 2021 15:42:49 +0000 In-Reply-To: <87blcgkuzv.fsf@yandex.com> (Colin Baxter's message of "Fri, 19 Feb 2021 14:11:32 +0000") Message-ID: <875z2oukqu.fsf@ucl.ac.uk> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Content-Type: text/plain X-Originating-IP: [95.149.100.194] X-ClientProxiedBy: LO2P265CA0410.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:a0::14) To VI1PR0102MB3327.eurprd01.prod.exchangelabs.com (2603:10a6:803:10::26) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from t3610 (95.149.100.194) by LO2P265CA0410.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:a0::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3846.35 via Frontend Transport; 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envelope-from=e.fraga@ucl.ac.uk; helo=EUR02-AM5-obe.outbound.protection.outlook.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-orgmode@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: emacs-orgmode@gnu.org Errors-To: emacs-orgmode-bounces+larch=yhetil.org@gnu.org Sender: "Emacs-orgmode" X-Migadu-Flow: FLOW_IN X-Migadu-Spam-Score: -4.07 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=ucl.ac.uk header.s=selector1 header.b=ep18dv5n; arc=pass ("microsoft.com:s=arcselector9901:i=1"); dmarc=pass (policy=none) header.from=ucl.ac.uk; spf=pass (aspmx1.migadu.com: domain of emacs-orgmode-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=emacs-orgmode-bounces@gnu.org X-Migadu-Queue-Id: C748FCD8C X-Spam-Score: -4.07 X-Migadu-Scanner: scn0.migadu.com X-TUID: newxKmaCs0IT On Friday, 19 Feb 2021 at 14:11, Colin Baxter wrote: > I getting the Lisp error: (wrong-type-argument stringp nil) when I 'C-c > C-c' the babel gnuplot source code "poynting", even though the pdf graph > is produced correctly. Any help at debugging would be much appreciated. Works fine for me. No error. I initially I thought maybe you needed a horizontal line dividing the headings from the numbers but works fine without. What version of org are you using? You could "M-x toggle-debug-on-error RET" to see where the error happens? -- : Eric S Fraga via Emacs 28.0.50, Org release_9.4.4-231-gf46925